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SubjectRe: [PATCH v2 1/2] staging: rtl8188eu: Deletion of unnecessary checks before three function calls


On Wed, 12 Nov 2014, SF Markus Elfring wrote:

> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 12 Nov 2014 20:25:49 +0100
>
> The functions kfree(), rtw_free_netdev() and vfree() test whether their
> argument is NULL and then return immediately. Thus the test around the call
> is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
> drivers/staging/rtl8188eu/core/rtw_efuse.c | 3 +--
> drivers/staging/rtl8188eu/core/rtw_mlme.c | 3 +--
> drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 3 +--
> drivers/staging/rtl8188eu/core/rtw_xmit.c | 6 ++----
> drivers/staging/rtl8188eu/os_dep/usb_intf.c | 6 +++---
> 5 files changed, 8 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/staging/rtl8188eu/core/rtw_efuse.c b/drivers/staging/rtl8188eu/core/rtw_efuse.c
> index 5b997b2..697876b 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_efuse.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_efuse.c
> @@ -212,8 +212,7 @@ efuse_phymap_to_logical(u8 *phymap, u16 _offset, u16 _size_byte, u8 *pbuf)
> exit:
> kfree(efuseTbl);
>
> - if (eFuseWord)
> - kfree(eFuseWord);
> + kfree(eFuseWord);
> }

As far as I can tell, the 2/2 patch in this series proposes a completely
different fix for this code. When you send a series, patch n+1/m is
supposed to apply to the result of patch n/m.

In any case, you can let this one go, because the problem has been fixed
already.

julia


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