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Diffstat (limited to 'drivers/md/dm-crypt.c')
-rw-r--r--drivers/md/dm-crypt.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 3f06df59fd82..e2b32401ecc7 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1241,7 +1241,6 @@ static void kcryptd_queue_crypt(struct dm_crypt_io *io)
static int crypt_decode_key(u8 *key, char *hex, unsigned int size)
{
char buffer[3];
- char *endp;
unsigned int i;
buffer[2] = '\0';
@@ -1250,9 +1249,7 @@ static int crypt_decode_key(u8 *key, char *hex, unsigned int size)
buffer[0] = *hex++;
buffer[1] = *hex++;
- key[i] = (u8)simple_strtoul(buffer, &endp, 16);
-
- if (endp != &buffer[2])
+ if (kstrtou8(buffer, 16, &key[i]))
return -EINVAL;
}