Fix install_process_keyring error handling

Fix an incorrect error check that returns 1 for error instead of the
expected error code.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index f8e7251..504bdd2 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -207,7 +207,7 @@
 	ret = install_process_keyring_to_cred(new);
 	if (ret < 0) {
 		abort_creds(new);
-		return ret != -EEXIST ?: 0;
+		return ret != -EEXIST ? ret : 0;
 	}
 
 	return commit_creds(new);