From: Herbert Xu <herbert@gondor.apana.org.au> mainline inclusion from mainline-master commit cbbb5f07ab737f868f90d429255d5d644280f6a9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4IU7R CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git/co... ---------------------------------------------------------------------- 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> Signed-off-by: Yang Shen <shenyang39@huawei.com> Reviewed-by: Hao Fang <fanghao11@huawei.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/crypto/hisilicon/qm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 69528da0c0d7..a82960fae6eb 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -4235,7 +4235,7 @@ 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; -- 2.20.1