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staging: rtl8723bs: remove null test before kfree

Browse source 
kfree(..) on a NULL pointer is a no-op; the null test here is redundant.
Detected by coccicheck.

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aishwarya Pant 2017-04-10 19:13:50 +05:30 committed by Greg Kroah-Hartman
parent 9ddf6e34ff
commit 7ad61a386b
5 changed files with 15 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
View file

@ -995,7 +995,6 @@ if (1) {
rtw_hal_set_hwreg(padapter, HW_VAR_EFUSE_USAGE, (u8 *)&efuse_usage);
}
if (efuseTbl)
kfree(efuseTbl);
}
@ -1128,7 +1127,6 @@ static void hal_ReadEFuse_BT(
}
exit:
if (efuseTbl)
kfree(efuseTbl);
}

2
drivers/staging/rtl8723bs/hal/sdio_ops.c
View file

@ -602,7 +602,6 @@ static s32 _sdio_local_read(
if (!err)
memcpy(pbuf, ptmpbuf, cnt);
if (ptmpbuf)
kfree(ptmpbuf);
return err;
@ -646,7 +645,6 @@ s32 sdio_local_read(
if (!err)
memcpy(pbuf, ptmpbuf, cnt);
if (ptmpbuf)
kfree(ptmpbuf);
return err;

4
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
View file

@ -1170,10 +1170,7 @@ static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
}
addkey_end:
if (param)
{
kfree((u8 *)param);
}
return ret;
@ -1968,7 +1965,6 @@ static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t iel
pairwise_cipher, padapter->securitypriv.ndisencryptstatus, padapter->securitypriv.ndisauthtype));
exit:
if (buf)
kfree(buf);
if (ret)
_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);

14
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
View file

@ -766,9 +766,7 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
exit:
if (pwep) {
kfree((u8 *)pwep);
}
return ret;
}
@ -926,7 +924,7 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
exit:
if (buf) kfree(buf);
kfree(buf);
return ret;
}
@ -2502,10 +2500,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev,
ret = wpa_set_encryption(dev, param, param_len);
exit:
if (param)
{
kfree((u8 *)param);
}
return ret;
}
@ -4135,11 +4130,7 @@ static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param,
}
exit:
if (pwep)
{
kfree((u8 *)pwep);
}
return ret;
@ -5785,11 +5776,8 @@ static int rtw_ioctl_wext_private(struct net_device *dev, union iwreq_data *wrq_
}
exit:
if (input)
kfree(input);
if (buffer)
kfree(buffer);
if (output)
kfree(output);
return err;

4
drivers/staging/rtl8723bs/os_dep/xmit_linux.c
View file

@ -76,10 +76,8 @@ int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitb
void rtw_os_xmit_resource_free(struct adapter *padapter, struct xmit_buf *pxmitbuf, u32 free_sz, u8 flag)
{
if (free_sz > 0) {
if (pxmitbuf->pallocated_buf)
if (free_sz > 0)
kfree(pxmitbuf->pallocated_buf);
}
}
#define WMM_XMIT_THRESHOLD (NR_XMITFRAME*2/5)