From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 6 Mar 2003 17:58:03 +0000 (-0500)
Subject: Fix bug; if a partition has no known type, don't derference a null
X-Git-Tag: E2FSPROGS-1_33-WIP-0306~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd0d521b829eca264f65f154373b0324db57d705;p=thirdparty%2Fe2fsprogs.git

Fix bug; if a partition has no known type, don't derference a null
pointer and crash.
---

diff --git a/lib/blkid/ChangeLog b/lib/blkid/ChangeLog
index a5b06a6c5..a49a16a8b 100644
--- a/lib/blkid/ChangeLog
+++ b/lib/blkid/ChangeLog
@@ -1,3 +1,8 @@
+2003-03-06    <tytso@mit.edu>
+
+	* devname.c (probe_one): Fix bug; if a partition has no known
+		type, don't derference a null pointer and crash.
+
 2003-03-06  Theodore Tso  <tytso@mit.edu>
 
 	* blkid_types.h.in: Don't redefine types if other e2fsprogs
diff --git a/lib/blkid/devname.c b/lib/blkid/devname.c
index df7700185..3a00146f9 100644
--- a/lib/blkid/devname.c
+++ b/lib/blkid/devname.c
@@ -129,7 +129,8 @@ static void probe_one(blkid_cache cache, const char *ptname,
 set_pri:
 	if (!pri && !strncmp(ptname, "md", 2))
 		pri = BLKID_PRI_MD;
-	dev->bid_pri = pri;
+	if (dev)
+		dev->bid_pri = pri;
 	return;
 }