linux-kernel - [PATCH 3/4] fs/pipe: remove unnecessary "buf" initializer

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Message-Id: <20220225185431.2617232-3-max.kellermann@gmail.com>
Date:   Fri, 25 Feb 2022 19:54:30 +0100
From:   Max Kellermann <max.kellermann@...il.com>
To:     viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Max Kellermann <max.kellermann@...il.com>
Subject: [PATCH 3/4] fs/pipe: remove unnecessary "buf" initializer

This one has no effect because this value is not used before it is
assigned again.

To: Alexander Viro <viro@...iv.linux.org.uk>
To: linux-fsdevel@...r.kernel.org
To: linux-kernel@...r.kernel.org
Signed-off-by: Max Kellermann <max.kellermann@...il.com>
---
 fs/pipe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/pipe.c b/fs/pipe.c
index aca717a89631..b2075ecd4751 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -487,7 +487,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
 		head = pipe->head;
 		if (!pipe_full(head, pipe->tail, pipe->max_usage)) {
 			unsigned int mask = pipe->ring_size - 1;
-			struct pipe_buffer *buf = &pipe->bufs[head & mask];
+			struct pipe_buffer *buf;
 			struct page *page = pipe->tmp_page;
 			int copied;
 
-- 
2.34.0