5.4-stable review patch. If anyone has any objections, please let me know.
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From: Pavel Begunkov asml.silence@gmail.com
commit cf73d9970ea4f8cace5d8f02d2565a2723003112 upstream.
__kernel_rwf_t is defined as int, the actual size of which is implementation defined. It won't go well if some compiler / archs ever defines it as i64, so replace it with __u32, hoping that there is no one using i16 for it.
Cc: stable@vger.kernel.org Fixes: 2b188cc1bb857 ("Add io_uring IO interface") Signed-off-by: Pavel Begunkov asml.silence@gmail.com Link: https://lore.kernel.org/r/47c666c4ee1df2018863af3a2028af18feef11ed.175141251... Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/uapi/linux/io_uring.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -23,7 +23,7 @@ struct io_uring_sqe { __u64 addr; /* pointer to buffer or iovecs */ __u32 len; /* buffer size or number of iovecs */ union { - __kernel_rwf_t rw_flags; + __u32 rw_flags; __u32 fsync_flags; __u16 poll_events; __u32 sync_range_flags;