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[PATCH 01/13] staging: rtl8188eu: if/else replaced by min_t

Started byIvan Safonov <insafonov@gmail.com>
First post2015-11-08 08:00 +0100
Last post2015-11-08 11:10 +0100
Articles 2 — 2 participants

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  [PATCH 01/13] staging: rtl8188eu: if/else replaced by min_t Ivan Safonov <insafonov@gmail.com> - 2015-11-08 08:00 +0100
    Re: [PATCH 01/13] staging: rtl8188eu: if/else replaced by min_t Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-11-08 11:10 +0100

#1264989 — [PATCH 01/13] staging: rtl8188eu: if/else replaced by min_t

FromIvan Safonov <insafonov@gmail.com>
Date2015-11-08 08:00 +0100
Subject[PATCH 01/13] staging: rtl8188eu: if/else replaced by min_t
Message-ID<qss7g-57a-25@gated-at.bofh.it>
Duplicated code removed.

Signed-off-by: Ivan Safonov <insafonov@gmail.com>
---
 drivers/staging/rtl8188eu/core/rtw_cmd.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
index 433b926..69f8744d9 100644
--- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
+++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
@@ -442,10 +442,8 @@ u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
 
 	psecuritypriv->authenticator_ie[0] = (unsigned char)psecnetwork->IELength;
 
-	if ((psecnetwork->IELength-12) < (256-1))
-		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], psecnetwork->IELength-12);
-	else
-		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], (256-1));
+	memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12],
+	       min_t(size_t, psecnetwork->IELength - 12, 256 - 1));
 
 	psecnetwork->IELength = 0;
 	/*  Added by Albert 2009/02/18 */
-- 
2.4.10

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#1265065

FromAndy Shevchenko <andy.shevchenko@gmail.com>
Date2015-11-08 11:10 +0100
Message-ID<qsv58-7cA-1@gated-at.bofh.it>
In reply to#1264989
On Sun, Nov 8, 2015 at 6:29 AM, Ivan Safonov <insafonov@gmail.com> wrote:
> Duplicated code removed.
>
> Signed-off-by: Ivan Safonov <insafonov@gmail.com>
> ---
>  drivers/staging/rtl8188eu/core/rtw_cmd.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
> index 433b926..69f8744d9 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
> @@ -442,10 +442,8 @@ u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
>
>         psecuritypriv->authenticator_ie[0] = (unsigned char)psecnetwork->IELength;
>
> -       if ((psecnetwork->IELength-12) < (256-1))
> -               memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], psecnetwork->IELength-12);
> -       else
> -               memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], (256-1));
> +       memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12],
> +              min_t(size_t, psecnetwork->IELength - 12, 256 - 1));

256 is a magic number. Like I said earlier, it seems a sizeof of
corresponding member.

>
>         psecnetwork->IELength = 0;
>         /*  Added by Albert 2009/02/18 */
> --
> 2.4.10
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
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-- 
With Best Regards,
Andy Shevchenko
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