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-rw-r--r--kernel/kmod.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 1296e72..8241906 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -569,6 +569,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
int retval = 0;
helper_lock();
+ if (!sub_info->path) {
+ retval = -EINVAL;
+ goto out;
+ }
+
if (sub_info->path[0] == '\0')
goto out;
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