block: blk-crypto-fallback: remove redundant initialization of variab…

…le err

The variable err is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Signed-off-by: Colin Ian King <[email protected]>
Reviewed-by: Eric Biggers <[email protected]>
Reviewed-by: Satya Tangirala <[email protected]>
Addresses-Coverity: ("Unused value")
Signed-off-by: Jens Axboe <[email protected]>

block/blk-crypto-fallback.c

@@ -529,7 +529,7 @@ static bool blk_crypto_fallback_inited;
 static int blk_crypto_fallback_init(void)
 {
 	int i;
-	int err = -ENOMEM;
+	int err;
 
 	if (blk_crypto_fallback_inited)
 		return 0;