[Patch v2 1/6] cifs: smbd: Check for iov length on sending the last iov

[Steve French]

merged into cifs-2.6.git for-next

On Tue, Apr 17, 2018 at 2:17 PM, Long Li <longli at linuxonhyperv.com> wrote:

> From: Long Li <longli at microsoft.com>
>
> When sending the last iov that breaks into smaller buffers to fit the
> transfer size, it's necessary to check if this is the last iov.
>
> If this is the latest iov, stop and proceed to send pages.
>
> Signed-off-by: Long Li <longli at microsoft.com>
> Cc: stable at vger.kernel.org
> ---
>  fs/cifs/smbdirect.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
> index 90e673c..b5c6c0d 100644
> --- a/fs/cifs/smbdirect.c
> +++ b/fs/cifs/smbdirect.c
> @@ -2197,6 +2197,8 @@ int smbd_send(struct smbd_connection *info, struct
> smb_rqst *rqst)
>                                                 goto done;
>                                 }
>                                 i++;
> +                               if (i == rqst->rq_nvec)
> +                                       break;
>                         }
>                         start = i;
>                         buflen = 0;
> --
> 2.7.4
>
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-- 
Thanks,

Steve