From: Namjae Jeon namjae.jeon@samsung.com
mainline inclusion from mainline-5.15-rc1 commit 08591ccfdd4f237b3d931e0ebf05690b1ab91399 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I60T7G CVE: NA
Reference: https://git.kernel.org/torvalds/linux/c/08591ccfdd4f
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Dan pointed out len can not be negative. This patch remove unneeded negative check in loop.
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/auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifsd/auth.c b/fs/cifsd/auth.c index 9f957c8c123c..9af1b334be82 100644 --- a/fs/cifsd/auth.c +++ b/fs/cifsd/auth.c @@ -1207,7 +1207,7 @@ static struct scatterlist *ksmbd_init_sg(struct kvec *iov, unsigned int nvec, for (j = 0; j < nr_entries[i]; j++) { unsigned int bytes = PAGE_SIZE - offset;
- if (len <= 0) + if (!len) break;
if (bytes > len)