From: Namjae Jeon <namjae.jeon@samsung.com> mainline inclusion from mainline-5.15-rc1 commit 3566a2b0f73a46eb93beafd70b8386a3b59d5acb category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I60T7G CVE: NA Reference: https://git.kernel.org/torvalds/linux/c/3566a2b0f73a ------------------------------- Use memcmp instead of for loop check in oid_eq(). Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Zhong Jinghua <zhongjinghua@huawei.com> --- fs/cifsd/asn1.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/fs/cifsd/asn1.c b/fs/cifsd/asn1.c index f2628dc3490f..a7db37eef2a9 100644 --- a/fs/cifsd/asn1.c +++ b/fs/cifsd/asn1.c @@ -110,16 +110,10 @@ static bool oid_eq(unsigned long *oid1, unsigned int oid1len, unsigned long *oid2, unsigned int oid2len) { - unsigned int i; - if (oid1len != oid2len) return false; - for (i = 0; i < oid1len; i++) { - if (oid1[i] != oid2[i]) - return false; - } - return true; + return memcmp(oid1, oid2, oid1len) == 0; } int -- 2.31.1