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| author | Gaurav Singh <gaurav1086@gmail.com> | 2020-08-06 23:17:25 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-26 10:40:57 +0200 |
| commit | 4591461ea9f2305370c9247979893474d93dcdd2 (patch) | |
| tree | 1a9791cbb95c2c818ed5a31579a97c823e23cf7f /tools | |
| parent | 10b2bb101f064d48c9ee256ad9ceb31ba95cb9cc (diff) | |
tools/testing/selftests/cgroup/cgroup_util.c: cg_read_strcmp: fix null pointer dereference
[ 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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/cgroup/cgroup_util.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c index bdb69599c4bd..5e939ff1e3f9 100644 --- a/tools/testing/selftests/cgroup/cgroup_util.c +++ b/tools/testing/selftests/cgroup/cgroup_util.c @@ -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; |