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io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR()) 

Use ERR_CAST() instead of ERR_PTR(PTR_ERR()).
This makes it more readable and also fix this warning detected by
err_cast.cocci:
./fs/io_uring.c: WARNING: 3208: 11-18: ERR_CAST can be used with buf

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Link: https://lore.kernel.org/r/20211020084948.1038420-1-deng.changcheng@zte.com.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Changcheng Deng 2021-10-20 08:49:48 +00:00 committed by Jens Axboe
parent 3b44b3712c
commit 898df2447b
1 changed files with 1 additions and 1 deletions
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2
fs/io_uring.c
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@ -3172,7 +3172,7 @@ static struct iovec *__io_import_iovec(int rw, struct io_kiocb *req,
if (req->flags & REQ_F_BUFFER_SELECT) {
buf = io_rw_buffer_select(req, &sqe_len, issue_flags);
if (IS_ERR(buf))
return ERR_PTR(PTR_ERR(buf));
return ERR_CAST(buf);
req->rw.len = sqe_len;
}