From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 13 Apr 2013 19:54:50 +0000 (+0100)
Subject: wdctl: check writing to a file descriptor was successful
X-Git-Tag: v2.24-rc1~590
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3757e57f7b239db040604c402c26ec3a6295116f;p=thirdparty%2Futil-linux.git

wdctl: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/sys-utils/wdctl.c b/sys-utils/wdctl.c
index 24ec770fb0..af9a393387 100644
--- a/sys-utils/wdctl.c
+++ b/sys-utils/wdctl.c
@@ -330,7 +330,8 @@ static int set_watchdog(struct wdinfo *wd, int timeout)
 		warn(_("cannot set timeout for %s"), wd->device);
 	}
 
-	close(fd);
+	if (close_fd(fd))
+		warn(_("write failed"));
 	sigprocmask(SIG_SETMASK, &oldsigs, NULL);
 	printf("Set timeout to %d seconds\n", timeout);
 
@@ -393,7 +394,8 @@ static int read_watchdog(struct wdinfo *wd)
 		 * the machine might end up rebooting. */
 	}
 
-	close(fd);
+	if (close_fd(fd))
+		warn(_("write failed"));
 	sigprocmask(SIG_SETMASK, &oldsigs, NULL);
 
 	return 0;