strcmp returns 0 when two strings are equal.
Fixes: 69a8cfcda210 ("dm crypt: set key size early")
Signed-off-by: Coiby Xu <coxu@xxxxxxxxxx>
---
drivers/md/dm-crypt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 159c6806c19b..cfefe0f18150 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2590,7 +2590,7 @@ static int crypt_set_key(struct crypt_config *cc, char *key)
int key_string_len = strlen(key);
/* Hyphen (which gives a key_size of zero) means there is no key. */
- if (!cc->key_size && strcmp(key, "-"))
+ if (!cc->key_size && !strcmp(key, "-"))
goto out;
/* ':' means the key is in kernel keyring, short-circuit normal key processing */
--
2.38.1
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