[PATCH] mwifiex: use time_after()

[PATCH] mwifiex: use time_after()

[Manuel Schölling]

To be future-proof and for better readability the time comparisons are
modified to use time_after() instead of plain, error-prone math.

Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
---
 drivers/net/wireless/mwifiex/main.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index d53e1e8..3191066 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1101,7 +1101,7 @@ mwifiex_11h_get_csa_closed_channel(struct mwifiex_private *priv)
 		return 0;
 
 	/* Clear csa channel, if DFS channel move time has passed */
-	if (jiffies > priv->csa_expire_time) {
+	if (time_after(jiffies, priv->csa_expire_time)) {
 		priv->csa_chan = 0;
 		priv->csa_expire_time = 0;
 	}
-- 
1.7.10.4

RE: [PATCH] mwifiex: use time_after()

[Bing Zhao]

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Hi Manuel,

Thanks for the patch.

> To be future-proof and for better readability the time comparisons are
> modified to use time_after() instead of plain, error-prone math.
> 
> Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>

Acked-by: Bing Zhao <bzhao@marvell.com>

Regards,
Bing

> ---
>  drivers/net/wireless/mwifiex/main.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
> index d53e1e8..3191066 100644
> --- a/drivers/net/wireless/mwifiex/main.h
> +++ b/drivers/net/wireless/mwifiex/main.h
> @@ -1101,7 +1101,7 @@ mwifiex_11h_get_csa_closed_channel(struct mwifiex_private *priv)
>  		return 0;
> 
>  	/* Clear csa channel, if DFS channel move time has passed */
> -	if (jiffies > priv->csa_expire_time) {
> +	if (time_after(jiffies, priv->csa_expire_time)) {
>  		priv->csa_chan = 0;
>  		priv->csa_expire_time = 0;
>  	}
> --
> 1.7.10.4

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