From: Caleb Sander Mateos Date: Tue, 2 Sep 2025 01:26:07 +0000 (-0600) Subject: io_uring/uring_cmd: correct io_uring_cmd_done() ret type X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dd386b0d5e61556927189cd7b59a628d22cb6851;p=thirdparty%2Fkernel%2Fstable.git io_uring/uring_cmd: correct io_uring_cmd_done() ret type io_uring_cmd_done() takes the result code for the CQE as a ssize_t ret argument. However, the CQE res field is a s32 value, as is the argument to io_req_set_res(). To clarify that only s32 values can be faithfully represented without truncation, change io_uring_cmd_done()'s ret argument type to s32. Signed-off-by: Caleb Sander Mateos Link: https://lore.kernel.org/r/20250902012609.1513123-1-csander@purestorage.com Signed-off-by: Jens Axboe --- diff --git a/include/linux/io_uring/cmd.h b/include/linux/io_uring/cmd.h index 7211157edfe9e..c4d7874016bb8 100644 --- a/include/linux/io_uring/cmd.h +++ b/include/linux/io_uring/cmd.h @@ -56,7 +56,7 @@ int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, * Note: the caller should never hard code @issue_flags and is only allowed * to pass the mask provided by the core io_uring code. */ -void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, u64 res2, +void io_uring_cmd_done(struct io_uring_cmd *cmd, s32 ret, u64 res2, unsigned issue_flags); void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd, @@ -104,7 +104,7 @@ static inline int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, { return -EOPNOTSUPP; } -static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, +static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, s32 ret, u64 ret2, unsigned issue_flags) { } diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index d76d6d27765c3..5562e8491c5bd 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -151,7 +151,7 @@ static inline void io_req_set_cqe32_extra(struct io_kiocb *req, * Called by consumers of io_uring_cmd, if they originally returned * -EIOCBQUEUED upon receiving the command. */ -void io_uring_cmd_done(struct io_uring_cmd *ioucmd, ssize_t ret, u64 res2, +void io_uring_cmd_done(struct io_uring_cmd *ioucmd, s32 ret, u64 res2, unsigned issue_flags) { struct io_kiocb *req = cmd_to_io_kiocb(ioucmd);