tools/mtd-utils: fix a segfault in parsing the device table

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42875 3c298f89-4303-0410-b956-a3cf2f4a3e73

tools/mtd-utils/patches/100-sscanf_fix.patch

@@ -0,0 +1,11 @@
+--- a/mkfs.jffs2.c
++++ b/mkfs.jffs2.c
+@@ -423,7 +423,7 @@ static int interpret_table_entry(struct 
+ 
+ 	if (sscanf (line, "%" SCANF_PREFIX "s %c %lo %lu %lu %lu %lu %lu %lu %lu",
+ 				SCANF_STRING(name), &type, &mode, &uid, &gid, &major, &minor,
+-				&start, &increment, &count) < 0)
++				&start, &increment, &count) < 10)
+ 	{
+ 		return 1;
+ 	}