dm integrity: use hex2bin instead of open-coded variant (6625d903) · Commits · 戴 / test

drivers/md/dm-integrity.c

+2 −12

Original line number	Diff line number	Diff line
		@@ -2496,8 +2496,6 @@ static int get_alg_and_key(const char arg, struct alg_spec a, char **error, ch

		k = strchr(a->alg_string, ':');
		if (k) {
		unsigned i;

		*k = 0;
		a->key_string = k + 1;
		if (strlen(a->key_string) & 1)
		@@ -2507,16 +2505,8 @@ static int get_alg_and_key(const char arg, struct alg_spec a, char **error, ch
		a->key = kmalloc(a->key_size, GFP_KERNEL);
		if (!a->key)
		goto nomem;
		for (i = 0; i < a->key_size; i++) {
		char digit[3];
		digit[0] = a->key_string[i * 2];
		digit[1] = a->key_string[i * 2 + 1];
		digit[2] = 0;
		if (strspn(digit, "0123456789abcdefABCDEF") != 2)
		if (hex2bin(a->key, a->key_string, a->key_size))
		goto inval;
		if (kstrtou8(digit, 16, &a->key[i]))
		goto inval;
		}
		}

		return 0;