From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 13 Apr 2013 19:54:57 +0000 (+0100)
Subject: swaplabel: check writing to a file descriptor was successful
X-Git-Tag: v2.24-rc1~583
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de2ca5593179373e433d43cb97cd723a66a5c736;p=thirdparty%2Futil-linux.git

swaplabel: check writing to a file descriptor was successful

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

diff --git a/disk-utils/swaplabel.c b/disk-utils/swaplabel.c
index 3e3e78b16e..a5ccb7ec38 100644
--- a/disk-utils/swaplabel.c
+++ b/disk-utils/swaplabel.c
@@ -145,7 +145,10 @@ static int change_info(const char *devname, const char *label, const char *uuid)
 		}
 	}
 
-	close(fd);
+	if (close_fd(fd) != 0) {
+		warn(_("write failed: %s"), devname);
+		return -1;
+	}
 	return 0;
 err:
 	if (fd >= 0)