[kees:kspp/uninit/macro 15/16] drivers/ide/ide-sysfs.c:142 ide_sysfs_register_port() error: uninitialized symbol 'rc'.

[kees:kspp/uninit/macro 15/16] drivers/ide/ide-sysfs.c:142 ide_sysfs_register_port() error: uninitialized symbol 'rc'.

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: Kees Cook <keescook@chromium.org>
CC: Chao Yu <yuchao0@huawei.com>, Chao Yu <chao@kernel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git kspp/uninit/macro
head:   2d0e6f87039d3bbf4d54bf426ea7c51bb405b8cc
commit: 4ee42e96f8519aa948c3eebe14ad67b82c02a2c2 [15/16] treewide: Remove uninitialized_var() usage
:::::: branch date: 22 hours ago
:::::: commit date: 22 hours ago
config: x86_64-randconfig-m001-20200620 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0

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

New smatch warnings:
drivers/ide/ide-sysfs.c:142 ide_sysfs_register_port() error: uninitialized symbol 'rc'.
drivers/tty/cyclades.c:3805 cy_pci_probe() error: uninitialized symbol 'mailbox'.

Old smatch warnings:
drivers/tty/cyclades.c:3890 cy_pci_remove() warn: if statement not indented

# https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id=4ee42e96f8519aa948c3eebe14ad67b82c02a2c2
git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
git remote update kees
git checkout 4ee42e96f8519aa948c3eebe14ad67b82c02a2c2
vim +/rc +142 drivers/ide/ide-sysfs.c

ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  131  
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  132  int ide_sysfs_register_port(ide_hwif_t *hwif)
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  133  {
4ee42e96f8519a Kees Cook                 2020-06-03  134  	int i, rc;
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  135  
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  136  	for (i = 0; ide_port_attrs[i]; i++) {
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  137  		rc = device_create_file(hwif->portdev, ide_port_attrs[i]);
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  138  		if (rc)
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  139  			break;
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  140  	}
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02  141  
ebdab07dad3d3a Bartlomiej Zolnierkiewicz 2009-01-02 @142  	return rc;

:::::: The code at line 142 was first introduced by commit
:::::: ebdab07dad3d3a008e519b0a028e1e1ad5ecaef0 ide: move sysfs support to ide-sysfs.c

:::::: TO: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
:::::: CC: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

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

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