From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Thu, 29 Sep 2016 12:56:35 +0000 (+0300)
Subject: keyctl: print errno name in KEYCTL_REJECT in case it is available
X-Git-Tag: v4.14~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7211bdb982e588f0d9622784ec84a3e9fa06fdd6;p=strace

keyctl: print errno name in KEYCTL_REJECT in case it is available

* keyctl.c (keyctl_reject_key): Get errno string via err_name
and print it if it is not NULL.
---

diff --git a/keyctl.c b/keyctl.c
index b2099df8..894af62b 100644
--- a/keyctl.c
+++ b/keyctl.c
@@ -175,8 +175,16 @@ static void
 keyctl_reject_key(struct tcb *tcp, key_serial_t id1, unsigned timeout,
 		  unsigned error, key_serial_t id2)
 {
+	const char *err_str = err_name(error);
+
 	print_keyring_serial_number(id1);
-	tprintf(", %u, %u, ", timeout, error);
+	tprintf(", %u, ", timeout);
+
+	if (err_str)
+		tprintf("%s, ", err_str);
+	else
+		tprintf("%u, ", error);
+
 	print_keyring_serial_number(id2);
 }