crypto: hisilicon - Fix sscanf format signedness
authorHerbert Xu <herbert@gondor.apana.org.au>
Fri, 27 Aug 2021 08:43:10 +0000 (16:43 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 17 Sep 2021 03:05:11 +0000 (11:05 +0800)
The function qm_qos_value_init expects an unsigned integer but
is incorrectly supplying a signed format to sscanf.  This patch
fixes it.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/hisilicon/qm.c

index 369562d..cf9ec56 100644 (file)
@@ -4185,7 +4185,7 @@ static ssize_t qm_qos_value_init(const char *buf, unsigned long *val)
                        return -EINVAL;
        }
 
-       ret = sscanf(buf, "%ld", val);
+       ret = sscanf(buf, "%lu", val);
        if (ret != QM_QOS_VAL_NUM)
                return -EINVAL;