* [PATCH] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR())
@ 2021-10-20 8:49 cgel.zte
2021-10-20 8:54 ` Pavel Begunkov
2021-10-20 14:02 ` Jens Axboe
0 siblings, 2 replies; 3+ messages in thread
From: cgel.zte @ 2021-10-20 8:49 UTC (permalink / raw)
To: axboe; +Cc: asml.silence, io-uring, linux-kernel, Changcheng Deng, Zeal Robot
From: Changcheng Deng <[email protected]>
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 <[email protected]>
Signed-off-by: Changcheng Deng <[email protected]>
---
fs/io_uring.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 695388aff926..e2d36607bf94 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3205,7 +3205,7 @@ 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;
}
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR())
2021-10-20 8:49 [PATCH] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR()) cgel.zte
@ 2021-10-20 8:54 ` Pavel Begunkov
2021-10-20 14:02 ` Jens Axboe
1 sibling, 0 replies; 3+ messages in thread
From: Pavel Begunkov @ 2021-10-20 8:54 UTC (permalink / raw)
To: cgel.zte, axboe; +Cc: io-uring, linux-kernel, Changcheng Deng, Zeal Robot
On 10/20/21 09:49, [email protected] wrote:
> From: Changcheng Deng <[email protected]>
>
> Use ERR_CAST() instead of ERR_PTR(PTR_ERR()).
Makes more sense, looks good
> 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
>
--
Pavel Begunkov
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR())
2021-10-20 8:49 [PATCH] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR()) cgel.zte
2021-10-20 8:54 ` Pavel Begunkov
@ 2021-10-20 14:02 ` Jens Axboe
1 sibling, 0 replies; 3+ messages in thread
From: Jens Axboe @ 2021-10-20 14:02 UTC (permalink / raw)
To: cgel.zte
Cc: Jens Axboe, Changcheng Deng, io-uring, Zeal Robot, asml.silence,
linux-kernel
On Wed, 20 Oct 2021 08:49:48 +0000, [email protected] wrote:
> From: Changcheng Deng <[email protected]>
>
> 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
>
> [...]
Applied, thanks!
[1/1] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR())
commit: 898df2447b9ee8d759e85d33087505d3905bf2f0
Best regards,
--
Jens Axboe
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-10-20 8:49 [PATCH] io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR()) cgel.zte
2021-10-20 8:54 ` Pavel Begunkov
2021-10-20 14:02 ` Jens Axboe
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