X-Git-Url: http://git.openwrt.org/?p=project%2Ffstools.git;a=blobdiff_plain;f=libfstools%2Ffind.c;fp=libfstools%2Ffind.c;h=1d91c515b42070406dee79a00dcc5f0575f8a0fd;hp=cefdd23e26891bba28d038bcbcd1aed3c67bb337;hb=922f1b3c091dbe12af4ba12a76ba8563418b688c;hpb=649cd3ff93418c94e6f3c316602319fc3f12cafa

diff --git a/libfstools/find.c b/libfstools/find.c
index cefdd23..1d91c51 100644
--- a/libfstools/find.c
+++ b/libfstools/find.c
@@ -109,6 +109,9 @@ find_mount_point(char *block, int root_only)
 	int rstat;
 	unsigned int minor, major;
 
+	if (!block)
+		return NULL;
+
 	if (!fp)
 		return NULL;