3447 #define EMIT_ALG(a, n)							\  in dm_integrity_status()  argument
3449 			if (ic->a.alg_string) {				\  in dm_integrity_status()
3450 				DMEMIT(" %s:%s", n, ic->a.alg_string);	\  in dm_integrity_status()
3451 				if (ic->a.key_string)			\  in dm_integrity_status()
3452 					DMEMIT(":%s", ic->a.key_string);\  in dm_integrity_status()
3772 static void free_alg(struct alg_spec *a)  in free_alg()  argument
3774 	kfree_sensitive(a->alg_string);  in free_alg()
3775 	kfree_sensitive(a->key);  in free_alg()
3776 	memset(a, 0, sizeof(*a));  in free_alg()
3779 static int get_alg_and_key(const char *arg, struct alg_spec *a, char **error, char *error_inval)  in get_alg_and_key()  argument
3783 	free_alg(a);  in get_alg_and_key()
3785 	a->alg_string = kstrdup(strchr(arg, ':') + 1, GFP_KERNEL);  in get_alg_and_key()
3786 	if (!a->alg_string)  in get_alg_and_key()
3789 	k = strchr(a->alg_string, ':');  in get_alg_and_key()
3792 		a->key_string = k + 1;  in get_alg_and_key()
3793 		if (strlen(a->key_string) & 1)  in get_alg_and_key()
3796 		a->key_size = strlen(a->key_string) / 2;  in get_alg_and_key()
3797 		a->key = kmalloc(a->key_size, GFP_KERNEL);  in get_alg_and_key()
3798 		if (!a->key)  in get_alg_and_key()
3800 		if (hex2bin(a->key, a->key_string, a->key_size))  in get_alg_and_key()
3813 static int get_mac(struct crypto_shash **hash, struct alg_spec *a, char **error,  in get_mac()  argument
3818 	if (a->alg_string) {  in get_mac()
3819 		*hash = crypto_alloc_shash(a->alg_string, 0, CRYPTO_ALG_ALLOCATES_MEMORY);  in get_mac()
3827 		if (a->key) {  in get_mac()
3828 			r = crypto_shash_setkey(*hash, a->key, a->key_size);  in get_mac()