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Date: Sat, 25 Jul 2020 21:37:57 -0400 From: Gaurav Singh <gaurav1086@...il.com> To: gaurav1086@...il.com, Shuah Khan <shuah@...nel.org>, Tejun Heo <tj@...nel.org>, Michal Koutný <mkoutny@...e.com>, Andrew Morton <akpm@...ux-foundation.org>, Roman Gushchin <guro@...com>, Christian Brauner <christian.brauner@...ntu.com>, Chris Down <chris@...isdown.name>, linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK), linux-kernel@...r.kernel.org (open list) Subject: [PATCH] [cgroup/testing] cg_read_strcmp: Fix null pointer dereference Haven't reproduced this issue. This PR is does a minor code cleanup. Signed-off-by: Gaurav Singh <gaurav1086@...il.com> --- tools/testing/selftests/cgroup/cgroup_util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c index 8a637ca7d73a..05853b0b8831 100644 --- a/tools/testing/selftests/cgroup/cgroup_util.c +++ b/tools/testing/selftests/cgroup/cgroup_util.c @@ -106,7 +106,7 @@ 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; -- 2.17.1
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