linux-kernel - [PATCH 2/2] io_uring/net: remove unnecessary check

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Date: Fri, 1 Mar 2024 18:29:52 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Jens Axboe <axboe@...nel.dk>
Cc: Pavel Begunkov <asml.silence@...il.com>, io-uring@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH 2/2] io_uring/net: remove unnecessary check

"namelen" is type size_t so it can't be negative.

Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
 io_uring/net.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/io_uring/net.c b/io_uring/net.c
index da257bf429d5..04a7426c80d2 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -557,8 +557,6 @@ static int io_recvmsg_mshot_prep(struct io_kiocb *req,
 			  (REQ_F_APOLL_MULTISHOT|REQ_F_BUFFER_SELECT)) {
 		int hdr;
 
-		if (unlikely(namelen < 0))
-			return -EOVERFLOW;
 		if (check_add_overflow(sizeof(struct io_uring_recvmsg_out),
 					namelen, &hdr))
 			return -EOVERFLOW;
-- 
2.43.0