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tools/testing/selftests/cgroup/cgroup_util.c: cg_read_strcmp: fix null pointer dereference

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[ Upstream commit d830020656c5b68ced962ed3cb51a90e0a89d4c4 ]

Haven't reproduced this issue. This PR is does a minor code cleanup.

Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Michal Koutn <mkoutny@suse.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Chris Down <chris@chrisdown.name>
Link: http://lkml.kernel.org/r/20200726013808.22242-1-gaurav1086@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Gaurav Singh 2020-08-06 23:17:25 -07:00 committed by Greg Kroah-Hartman
parent 10b2bb101f
commit 4591461ea9
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/cgroup/cgroup_util.c
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@ -105,7 +105,7 @@ int cg_read_strcmp(const char *cgroup, const char *control,
/* Handle the case of comparing against empty string */
if (!expected)
size = 32;
return -1;
else
size = strlen(expected) + 1;