From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Sat, 22 Dec 2018 07:42:59 +0000 Subject: [PATCH] IB/uverbs: Signedness bug in UVERBS_HANDLER() Message-Id: <20181222074259.GA6338@kadam> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org The "num_sge" variable needs to be signed for the error handling to work. The uverbs_attr_ptr_get_array_size() returns int so this change is safe. Fixes: ad8a4496757f ("IB/uverbs: Add support to advise_mr") Signed-off-by: Dan Carpenter --- drivers/infiniband/core/uverbs_std_types_mr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/uverbs_std_types_mr.c b/drivers/infiniband/core/uverbs_std_types_mr.c index 71dfa5e5938e..4d4be0c2b752 100644 --- a/drivers/infiniband/core/uverbs_std_types_mr.c +++ b/drivers/infiniband/core/uverbs_std_types_mr.c @@ -47,7 +47,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_ADVISE_MR)( enum ib_uverbs_advise_mr_advice advice; struct ib_device *ib_dev = pd->device; struct ib_sge *sg_list; - u32 num_sge; + int num_sge; u32 flags; int ret; -- 2.17.1