Re: [PATCH] fs: cifs: transport: Use time_after for time comparison

From: Steve French
Date: Fri May 12 2017 - 21:11:53 EST


merged into cifs-2.6.git for-next

On Thu, May 11, 2017 at 6:53 PM, Karim Eshapa <karim.eshapa@xxxxxxxxx> wrote:
> Use time_after kernel macro for time comparison
> that has safety check.
>
> Signed-off-by: Karim Eshapa <karim.eshapa@xxxxxxxxx>
> ---
> fs/cifs/transport.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
> index 4d64b5b..a7f5168 100644
> --- a/fs/cifs/transport.c
> +++ b/fs/cifs/transport.c
> @@ -94,7 +94,7 @@ DeleteMidQEntry(struct mid_q_entry *midEntry)
> now = jiffies;
> /* commands taking longer than one second are indications that
> something is wrong, unless it is quite a slow link or server */
> - if ((now - midEntry->when_alloc) > HZ) {
> + if (time_after(now, midEntry->when_alloc + HZ)) {
> if ((cifsFYI & CIFS_TIMER) && (midEntry->command != command)) {
> pr_debug(" CIFS slow rsp: cmd %d mid %llu",
> midEntry->command, midEntry->mid);
> --
> 2.7.4
>
> --
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--
Thanks,

Steve