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-rw-r--r--security/tomoyo/mount.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index 162a864dba2..9fc2e15841c 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -138,7 +138,7 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name,
}
if (need_dev) {
/* Get mount point or device file. */
- if (kern_path(dev_name, LOOKUP_FOLLOW, &path)) {
+ if (!dev_name || kern_path(dev_name, LOOKUP_FOLLOW, &path)) {
error = -ENOENT;
goto out;
}