* [PATCH 0/2] Fix a compilation warning and a static check error
@ 2019-09-10 10:21 Bhupesh Sharma
2019-09-10 10:21 ` [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck Bhupesh Sharma
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Bhupesh Sharma @ 2019-09-10 10:21 UTC (permalink / raw)
To: kexec; +Cc: bhsharma, bhupesh.linux, horms
This patchset fixes two kexec-tools issues:
- Fixes a shifting error reported by cppcheck inside
'vmcore-dmesg/vmcore-dmesg.c'.
- Fixes a compilation warning in 'i386/kexec-mb2-x86.c'.
Bhupesh Sharma (2):
vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck
i386/kexec-mb2-x86.c: Fix compilation warning
kexec/arch/i386/kexec-mb2-x86.c | 2 --
vmcore-dmesg/vmcore-dmesg.c | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
--
2.17.1
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^ permalink raw reply [flat|nested] 6+ messages in thread* [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck 2019-09-10 10:21 [PATCH 0/2] Fix a compilation warning and a static check error Bhupesh Sharma @ 2019-09-10 10:21 ` Bhupesh Sharma 2019-09-10 13:55 ` lijiang 2019-09-10 10:21 ` [PATCH 2/2] i386/kexec-mb2-x86.c: Fix compilation warning Bhupesh Sharma 2019-09-16 7:17 ` [PATCH 0/2] Fix a compilation warning and a static check error Simon Horman 2 siblings, 1 reply; 6+ messages in thread From: Bhupesh Sharma @ 2019-09-10 10:21 UTC (permalink / raw) To: kexec; +Cc: bhsharma, bhupesh.linux, Lianbo Jiang, horms Running 'cppcheck' static code analyzer (see cppcheck(1)) on 'vmcore-dmesg/vmcore-dmesg.c' shows the following shifting error: $ cppcheck --enable=all vmcore-dmesg/vmcore-dmesg.c Checking vmcore-dmesg/vmcore-dmesg.c ... [vmcore-dmesg/vmcore-dmesg.c:17]: (error) Shifting signed 32-bit value by 31 bits is undefined behaviour Fix the same via this patch. Cc: Lianbo Jiang <lijiang@redhat.com> Cc: Simon Horman <horms@verge.net.au> Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com> --- vmcore-dmesg/vmcore-dmesg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c index 81c2a58..122e536 100644 --- a/vmcore-dmesg/vmcore-dmesg.c +++ b/vmcore-dmesg/vmcore-dmesg.c @@ -6,7 +6,7 @@ typedef Elf32_Nhdr Elf_Nhdr; extern const char *fname; /* stole this macro from kernel printk.c */ -#define LOG_BUF_LEN_MAX (uint32_t)(1 << 31) +#define LOG_BUF_LEN_MAX (uint32_t)(1U << 31) static void write_to_stdout(char *buf, unsigned int nr) { -- 2.17.1 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck 2019-09-10 10:21 ` [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck Bhupesh Sharma @ 2019-09-10 13:55 ` lijiang 2019-09-10 20:02 ` Bhupesh Sharma 0 siblings, 1 reply; 6+ messages in thread From: lijiang @ 2019-09-10 13:55 UTC (permalink / raw) To: Bhupesh Sharma, kexec; +Cc: bhupesh.linux, horms 在 2019年09月10日 18:21, Bhupesh Sharma 写道: > Running 'cppcheck' static code analyzer (see cppcheck(1)) > on 'vmcore-dmesg/vmcore-dmesg.c' shows the following > shifting error: > > $ cppcheck --enable=all vmcore-dmesg/vmcore-dmesg.c > Checking vmcore-dmesg/vmcore-dmesg.c ... > [vmcore-dmesg/vmcore-dmesg.c:17]: (error) Shifting signed 32-bit value by 31 bits is undefined behaviour > > Fix the same via this patch. > > Cc: Lianbo Jiang <lijiang@redhat.com> > Cc: Simon Horman <horms@verge.net.au> > Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com> > --- > vmcore-dmesg/vmcore-dmesg.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c > index 81c2a58..122e536 100644 > --- a/vmcore-dmesg/vmcore-dmesg.c > +++ b/vmcore-dmesg/vmcore-dmesg.c > @@ -6,7 +6,7 @@ typedef Elf32_Nhdr Elf_Nhdr; > extern const char *fname; > > /* stole this macro from kernel printk.c */ > -#define LOG_BUF_LEN_MAX (uint32_t)(1 << 31) > +#define LOG_BUF_LEN_MAX (uint32_t)(1U << 31) > This looks better. Thank you, Bhupesh. > static void write_to_stdout(char *buf, unsigned int nr) > { > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck 2019-09-10 13:55 ` lijiang @ 2019-09-10 20:02 ` Bhupesh Sharma 0 siblings, 0 replies; 6+ messages in thread From: Bhupesh Sharma @ 2019-09-10 20:02 UTC (permalink / raw) To: lijiang; +Cc: Bhupesh SHARMA, kexec mailing list, Simon Horman On Tue, Sep 10, 2019 at 7:25 PM lijiang <lijiang@redhat.com> wrote: > > 在 2019年09月10日 18:21, Bhupesh Sharma 写道: > > Running 'cppcheck' static code analyzer (see cppcheck(1)) > > on 'vmcore-dmesg/vmcore-dmesg.c' shows the following > > shifting error: > > > > $ cppcheck --enable=all vmcore-dmesg/vmcore-dmesg.c > > Checking vmcore-dmesg/vmcore-dmesg.c ... > > [vmcore-dmesg/vmcore-dmesg.c:17]: (error) Shifting signed 32-bit value by 31 bits is undefined behaviour > > > > Fix the same via this patch. > > > > Cc: Lianbo Jiang <lijiang@redhat.com> > > Cc: Simon Horman <horms@verge.net.au> > > Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com> > > --- > > vmcore-dmesg/vmcore-dmesg.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c > > index 81c2a58..122e536 100644 > > --- a/vmcore-dmesg/vmcore-dmesg.c > > +++ b/vmcore-dmesg/vmcore-dmesg.c > > @@ -6,7 +6,7 @@ typedef Elf32_Nhdr Elf_Nhdr; > > extern const char *fname; > > > > /* stole this macro from kernel printk.c */ > > -#define LOG_BUF_LEN_MAX (uint32_t)(1 << 31) > > +#define LOG_BUF_LEN_MAX (uint32_t)(1U << 31) > > > > This looks better. Thank you, Bhupesh. Thanks for your review, Lianbo. Regards, Bhupesh _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 2/2] i386/kexec-mb2-x86.c: Fix compilation warning 2019-09-10 10:21 [PATCH 0/2] Fix a compilation warning and a static check error Bhupesh Sharma 2019-09-10 10:21 ` [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck Bhupesh Sharma @ 2019-09-10 10:21 ` Bhupesh Sharma 2019-09-16 7:17 ` [PATCH 0/2] Fix a compilation warning and a static check error Simon Horman 2 siblings, 0 replies; 6+ messages in thread From: Bhupesh Sharma @ 2019-09-10 10:21 UTC (permalink / raw) To: kexec; +Cc: bhsharma, bhupesh.linux, horms This patch fixes the following compilation warning in 'i386/kexec-mb2-x86.c' regarding the variable 'result' which is set but not used: kexec/arch/i386/kexec-mb2-x86.c:402:6: warning: variable ‘result’ set but not used [-Wunused-but-set-variable] int result; ^~~~~~ Cc: Simon Horman <horms@verge.net.au> Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com> --- kexec/arch/i386/kexec-mb2-x86.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kexec/arch/i386/kexec-mb2-x86.c b/kexec/arch/i386/kexec-mb2-x86.c index 7eaab0c..b839d59 100644 --- a/kexec/arch/i386/kexec-mb2-x86.c +++ b/kexec/arch/i386/kexec-mb2-x86.c @@ -399,7 +399,6 @@ int multiboot2_x86_load(int argc, char **argv, const char *buf, off_t len, char *command_line = NULL, *tmp_cmdline = NULL; int command_line_len; char *imagename, *cp, *append = NULL;; - int result; int opt; int modules, mod_command_line_space; uint64_t mbi_ptr; @@ -429,7 +428,6 @@ int multiboot2_x86_load(int argc, char **argv, const char *buf, off_t len, command_line_len = 0; modules = 0; mod_command_line_space = 0; - result = 0; while((opt = getopt_long(argc, argv, short_options, options, 0)) != -1) { switch(opt) { -- 2.17.1 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 0/2] Fix a compilation warning and a static check error 2019-09-10 10:21 [PATCH 0/2] Fix a compilation warning and a static check error Bhupesh Sharma 2019-09-10 10:21 ` [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck Bhupesh Sharma 2019-09-10 10:21 ` [PATCH 2/2] i386/kexec-mb2-x86.c: Fix compilation warning Bhupesh Sharma @ 2019-09-16 7:17 ` Simon Horman 2 siblings, 0 replies; 6+ messages in thread From: Simon Horman @ 2019-09-16 7:17 UTC (permalink / raw) To: Bhupesh Sharma; +Cc: bhupesh.linux, kexec On Tue, Sep 10, 2019 at 03:51:48PM +0530, Bhupesh Sharma wrote: > This patchset fixes two kexec-tools issues: > - Fixes a shifting error reported by cppcheck inside > 'vmcore-dmesg/vmcore-dmesg.c'. > - Fixes a compilation warning in 'i386/kexec-mb2-x86.c'. Thanks, applied. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-09-16 7:17 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-09-10 10:21 [PATCH 0/2] Fix a compilation warning and a static check error Bhupesh Sharma 2019-09-10 10:21 ` [PATCH 1/2] vmcore-dmesg/vmcore-dmesg.c: Fix shifting error reported by cppcheck Bhupesh Sharma 2019-09-10 13:55 ` lijiang 2019-09-10 20:02 ` Bhupesh Sharma 2019-09-10 10:21 ` [PATCH 2/2] i386/kexec-mb2-x86.c: Fix compilation warning Bhupesh Sharma 2019-09-16 7:17 ` [PATCH 0/2] Fix a compilation warning and a static check error Simon Horman
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