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-rw-r--r--mkfs/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mkfs/main.c b/mkfs/main.c
index 75e1d47..5efbf30 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -34,7 +34,7 @@ static void usage(void)
static int parse_extended_opts(const char *opts)
{
#define MATCH_EXTENTED_OPT(opt, token, keylen) \
- (keylen == sizeof(opt) && !memcmp(token, opt, sizeof(opt)))
+ (keylen == sizeof(opt) - 1 && !memcmp(token, opt, sizeof(opt) - 1))
const char *token, *next, *tokenend, *value __maybe_unused;
unsigned int keylen, vallen;