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authorIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
committerIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
commit97c53b402fcadb50201c23914f614bf8430d9c20 (patch)
tree3c9b94e866d150c3a2d8ac853e388c38fade8b45 /kernel/kmod.c
parent6a716c90a51338009c3bc1f460829afaed8f922d (diff)
parent5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff)
Merge tag 'v3.12' into core/locking to pick up mutex upates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/kmod.c')
-rw-r--r--kernel/kmod.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c
index fb326365b69..b086006c59e 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -571,6 +571,10 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
DECLARE_COMPLETION_ONSTACK(done);
int retval = 0;
+ if (!sub_info->path) {
+ call_usermodehelper_freeinfo(sub_info);
+ return -EINVAL;
+ }
helper_lock();
if (!khelper_wq || usermodehelper_disabled) {
retval = -EBUSY;