Re: [PATCH] RDMA/rxe: Return -EFAULT if copy_from_user() fails

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On Mon, May 11, 2020 at 09:37:42PM +0300, Dan Carpenter wrote:
> This function used to always return -EINVAL but we updated it to try
> preserve the error codes.  Unfortunately the copy_to_user() is returning
> the number of bytes remaining to be copied instead of a negative error
> code.
>
> Fixes: a3a974b4654d ("RDMA/rxe: Always return ERR_PTR from rxe_create_mmap_info()")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/infiniband/sw/rxe/rxe_queue.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)


Thanks,
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>



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