ipv6: sr: fix passing wrong flags to crypto_alloc_shash()

The 'mask' argument to crypto_alloc_shash() uses the CRYPTO_ALG_* flags,
not 'gfp_t'.  So don't pass GFP_KERNEL to it.

Fixes: bf355b8d2c30 ("ipv6: sr: add core files for SR HMAC support")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/seg6_hmac.c

@@ -373,7 +373,7 @@ static int seg6_hmac_init_algo(void)
 			return -ENOMEM;
 
 		for_each_possible_cpu(cpu) {
-			tfm = crypto_alloc_shash(algo->name, 0, GFP_KERNEL);
+			tfm = crypto_alloc_shash(algo->name, 0, 0);
 			if (IS_ERR(tfm))
 				return PTR_ERR(tfm);
 			p_tfm = per_cpu_ptr(algo->tfms, cpu);