From: Karel Zak <kzak@redhat.com>
Date: Thu, 6 May 2010 13:29:20 +0000 (+0200)
Subject: libblkid: fix readline usage
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9d8b438af3272b4b92b5414e6835b44ee255f0f;p=util-linux

libblkid: fix readline usage

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/shlibs/blkid/src/devno.c b/shlibs/blkid/src/devno.c
index a667becf..1d389ac6 100644
--- a/shlibs/blkid/src/devno.c
+++ b/shlibs/blkid/src/devno.c
@@ -364,7 +364,7 @@ int blkid_devno_to_wholedisk(dev_t dev, char *diskname,
 	 *	- dirname  ../../block/sda/sda1 = ../../block/sda
 	 *	- basename ../../block/sda      = sda
 	 */
-	linklen = readlink(path, linkpath, sizeof(linkpath));
+	linklen = readlink(path, linkpath, sizeof(linkpath) - 1);
 	if (linklen < 0)
 		goto err;
 	linkpath[linklen] = '\0';