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* arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
@ 2022-03-10  0:04 kernel test robot
  0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-03-10  0:04 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 4224 bytes --]

CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Michael Ellerman <mpe@ellerman.id.au>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   330f4c53d3c2d8b11d86ec03a964b86dc81452f5
commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile
date:   9 months ago
:::::: branch date: 27 hours ago
:::::: commit date: 9 months ago
compiler: powerpc-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
    if (name) {
        ^

vim +3745 arch/powerpc/xmon/xmon.c

^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3722  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3723  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3724  /* Print an address in numeric and symbolic form (if possible) */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3725  static void xmon_print_symbol(unsigned long address, const char *mid,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3726  			      const char *after)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3727  {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3728  	char *modname;
a2305e3de81939 arch/powerpc/xmon/xmon.c Arnd Bergmann  2021-04-29  3729  	const char *volatile name = NULL;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3730  	unsigned long offset, size;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3731  
f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28  3732  	printf(REG, address);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3733  	if (setjmp(bus_error_jmp) == 0) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3734  		catch_memory_errors = 1;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3735  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3736  		name = kallsyms_lookup(address, &size, &offset, &modname,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3737  				       tmpstr);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3738  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3739  		/* wait a little while to see if we get a machine check */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3740  		__delay(200);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3741  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3742  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3743  	catch_memory_errors = 0;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3744  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16 @3745  	if (name) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3746  		printf("%s%s+%#lx/%#lx", mid, name, offset, size);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3747  		if (modname)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3748  			printf(" [%s]", modname);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3749  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3750  	printf("%s", after);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3751  }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3752  

:::::: The code at line 3745 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

^ permalink raw reply	[flat|nested] 5+ messages in thread
* arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
@ 2022-03-26 12:15 kernel test robot
  0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-03-26 12:15 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 4161 bytes --]

CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Michael Ellerman <mpe@ellerman.id.au>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   52d543b5497cf31d6baeb0bcfe5a5474c3238578
commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile
date:   9 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 9 months ago
compiler: powerpc-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
    if (name) {
        ^

vim +3745 arch/powerpc/xmon/xmon.c

^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3722  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3723  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3724  /* Print an address in numeric and symbolic form (if possible) */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3725  static void xmon_print_symbol(unsigned long address, const char *mid,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3726  			      const char *after)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3727  {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3728  	char *modname;
a2305e3de81939 arch/powerpc/xmon/xmon.c Arnd Bergmann  2021-04-29  3729  	const char *volatile name = NULL;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3730  	unsigned long offset, size;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3731  
f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28  3732  	printf(REG, address);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3733  	if (setjmp(bus_error_jmp) == 0) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3734  		catch_memory_errors = 1;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3735  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3736  		name = kallsyms_lookup(address, &size, &offset, &modname,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3737  				       tmpstr);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3738  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3739  		/* wait a little while to see if we get a machine check */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3740  		__delay(200);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3741  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3742  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3743  	catch_memory_errors = 0;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3744  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16 @3745  	if (name) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3746  		printf("%s%s+%#lx/%#lx", mid, name, offset, size);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3747  		if (modname)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3748  			printf(" [%s]", modname);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3749  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3750  	printf("%s", after);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3751  }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3752  

:::::: The code at line 3745 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

^ permalink raw reply	[flat|nested] 5+ messages in thread
* arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
@ 2022-01-30  8:53 kernel test robot
  0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-01-30  8:53 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 4206 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Michael Ellerman <mpe@ellerman.id.au>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f8c7e4ede46fe63ff10000669652648aab09d112
commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile
date:   7 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 7 months ago
compiler: powerpc64le-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
    if (name) {
        ^

vim +3745 arch/powerpc/xmon/xmon.c

^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3722  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3723  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3724  /* Print an address in numeric and symbolic form (if possible) */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3725  static void xmon_print_symbol(unsigned long address, const char *mid,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3726  			      const char *after)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3727  {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3728  	char *modname;
a2305e3de81939 arch/powerpc/xmon/xmon.c Arnd Bergmann  2021-04-29  3729  	const char *volatile name = NULL;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3730  	unsigned long offset, size;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3731  
f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28  3732  	printf(REG, address);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3733  	if (setjmp(bus_error_jmp) == 0) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3734  		catch_memory_errors = 1;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3735  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3736  		name = kallsyms_lookup(address, &size, &offset, &modname,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3737  				       tmpstr);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3738  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3739  		/* wait a little while to see if we get a machine check */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3740  		__delay(200);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3741  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3742  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3743  	catch_memory_errors = 0;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3744  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16 @3745  	if (name) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3746  		printf("%s%s+%#lx/%#lx", mid, name, offset, size);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3747  		if (modname)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3748  			printf(" [%s]", modname);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3749  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3750  	printf("%s", after);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3751  }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3752  

:::::: The code at line 3745 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

^ permalink raw reply	[flat|nested] 5+ messages in thread
* arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
@ 2022-01-19  6:27 kernel test robot
  0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-01-19  6:27 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 4233 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Michael Ellerman <mpe@ellerman.id.au>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   99613159ad749543621da8238acf1a122880144e
commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile
date:   7 months ago
:::::: branch date: 18 hours ago
:::::: commit date: 7 months ago
compiler: powerpc-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
    if (name) {
        ^

vim +3745 arch/powerpc/xmon/xmon.c

^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3722  
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3723  
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3724  /* Print an address in numeric and symbolic form (if possible) */
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3725  static void xmon_print_symbol(unsigned long address, const char *mid,
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3726  			      const char *after)
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3727  {
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3728  	char *modname;
a2305e3de819394 arch/powerpc/xmon/xmon.c Arnd Bergmann  2021-04-29  3729  	const char *volatile name = NULL;
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3730  	unsigned long offset, size;
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3731  
f78541dcec327b0 arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28  3732  	printf(REG, address);
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3733  	if (setjmp(bus_error_jmp) == 0) {
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3734  		catch_memory_errors = 1;
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3735  		sync();
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3736  		name = kallsyms_lookup(address, &size, &offset, &modname,
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3737  				       tmpstr);
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3738  		sync();
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3739  		/* wait a little while to see if we get a machine check */
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3740  		__delay(200);
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3741  	}
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3742  
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3743  	catch_memory_errors = 0;
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3744  
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16 @3745  	if (name) {
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3746  		printf("%s%s+%#lx/%#lx", mid, name, offset, size);
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3747  		if (modname)
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3748  			printf(" [%s]", modname);
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3749  	}
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3750  	printf("%s", after);
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3751  }
^1da177e4c3f415 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3752  

:::::: The code at line 3745 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

^ permalink raw reply	[flat|nested] 5+ messages in thread
* arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
@ 2022-01-18 11:14 kernel test robot
  0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2022-01-18 11:14 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 4204 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Michael Ellerman <mpe@ellerman.id.au>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0c947b893d69231a9add855939da7c66237ab44f
commit: a2305e3de819394a7adf68078964a92d06f9db33 powerpc: mark local variables around longjmp as volatile
date:   7 months ago
:::::: branch date: 26 hours ago
:::::: commit date: 7 months ago
compiler: powerpc64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> arch/powerpc/xmon/xmon.c:3745:6: warning: Uninitialized variable: name [uninitvar]
    if (name) {
        ^

vim +3745 arch/powerpc/xmon/xmon.c

^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3722  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3723  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3724  /* Print an address in numeric and symbolic form (if possible) */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3725  static void xmon_print_symbol(unsigned long address, const char *mid,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3726  			      const char *after)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3727  {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3728  	char *modname;
a2305e3de81939 arch/powerpc/xmon/xmon.c Arnd Bergmann  2021-04-29  3729  	const char *volatile name = NULL;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3730  	unsigned long offset, size;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3731  
f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28  3732  	printf(REG, address);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3733  	if (setjmp(bus_error_jmp) == 0) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3734  		catch_memory_errors = 1;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3735  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3736  		name = kallsyms_lookup(address, &size, &offset, &modname,
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3737  				       tmpstr);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3738  		sync();
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3739  		/* wait a little while to see if we get a machine check */
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3740  		__delay(200);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3741  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3742  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3743  	catch_memory_errors = 0;
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3744  
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16 @3745  	if (name) {
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3746  		printf("%s%s+%#lx/%#lx", mid, name, offset, size);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3747  		if (modname)
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3748  			printf(" [%s]", modname);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3749  	}
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3750  	printf("%s", after);
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3751  }
^1da177e4c3f41 arch/ppc64/xmon/xmon.c   Linus Torvalds 2005-04-16  3752  

:::::: The code at line 3745 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

^ permalink raw reply	[flat|nested] 5+ messages in thread
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