From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 13 Apr 2013 19:55:00 +0000 (+0100)
Subject: swapon: check writing to a file descriptor was successful
X-Git-Tag: v2.24-rc1~580
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=14699715351070b8b6165d8780d7d5c1d3cdb5b1;p=thirdparty%2Futil-linux.git

swapon: check writing to a file descriptor was successful

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

diff --git a/sys-utils/swapon.c b/sys-utils/swapon.c
index d5b7e37896..f1e2433755 100644
--- a/sys-utils/swapon.c
+++ b/sys-utils/swapon.c
@@ -323,7 +323,10 @@ static int swap_rewrite_signature(const char *devname, unsigned int pagesize)
 
 	rc  = 0;
 err:
-	close(fd);
+	if (close_fd(fd) != 0) {
+		warn(_("write failed: %s"), devname);
+		rc = -1;
+	}
 	return rc;
 }