From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: [kees:kspp/uninit/macro 15/16] drivers/ide/ide-sysfs.c:142 ide_sysfs_register_port() error: uninitialized symbol 'rc'.
Date: Sun, 21 Jun 2020 09:01:06 +0800 [thread overview]
Message-ID: <202006210957.rP7iCPlO%lkp@intel.com> (raw)
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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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