From: Laszlo Papp <ext-laszlo.papp@nokia.com>
Date: Mon, 7 Mar 2011 12:49:36 +0000 (+0200)
Subject: Fix a potential null pointer dereference issue
X-Git-Tag: fuse_2_9_0~53
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=20c31c48b4bb2c1d8c8d1139843872c18ed3865d;p=qemu-gpiodev%2Flibfuse.git

Fix a potential null pointer dereference issue
---

diff --git a/lib/helper.c b/lib/helper.c
index 81eedec..0ba6d4f 100644
--- a/lib/helper.c
+++ b/lib/helper.c
@@ -227,7 +227,8 @@ static void fuse_unmount_common(const char *mountpoint, struct fuse_chan *ch)
 {
 	int fd = ch ? fuse_chan_fd(ch) : -1;
 	fuse_kern_unmount(mountpoint, fd);
-	fuse_chan_destroy(ch);
+	if (ch)
+		fuse_chan_destroy(ch);
 }
 
 void fuse_unmount(const char *mountpoint, struct fuse_chan *ch)