From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 13 Jul 2019 08:31:06 +0000 (+0100)
Subject: libblkid: check number of test_blkid_save arguments correctly
X-Git-Tag: v2.35-rc1~317^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9175f39075b130bce00ed4b0d23be90a1defa915;p=thirdparty%2Futil-linux.git

libblkid: check number of test_blkid_save arguments correctly

Without this running test_blkid_save without arguments will cause a crash
when strdup() refers to none-exiting file name.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/libblkid/src/save.c b/libblkid/src/save.c
index 21308a9cf9..bceaa11398 100644
--- a/libblkid/src/save.c
+++ b/libblkid/src/save.c
@@ -213,7 +213,7 @@ int main(int argc, char **argv)
 	int ret;
 
 	blkid_init_debug(BLKID_DEBUG_ALL);
-	if (argc > 2) {
+	if (argc != 2) {
 		fprintf(stderr, "Usage: %s [filename]\n"
 			"Test loading/saving a cache (filename)\n", argv[0]);
 		exit(1);