mdadm/mdopen: fix coverity issue CHECKED_RETURN

It needs to check return values when functions return value.

Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/mdopen.c b/mdopen.c
index eaa59b59..c9fda131 100644
--- a/mdopen.c
+++ b/mdopen.c
@@ -406,7 +406,11 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
 				perror("chown");
 			if (chmod(devname, ci->mode))
 				perror("chmod");
-			stat(devname, &stb);
+			if (stat(devname, &stb) < 0) {
+				pr_err("failed to stat %s\n",
+						devname);
+				return -1;
+			}
 			add_dev(devname, &stb, 0, NULL);
 		}
 		if (use_mdp == 1)