staging: rtl8723bs: remove null test before kfree
authorAishwarya Pant <aishpant@gmail.com>
Mon, 10 Apr 2017 13:43:50 +0000 (19:13 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 Apr 2017 05:34:14 +0000 (07:34 +0200)
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>
drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
drivers/staging/rtl8723bs/hal/sdio_ops.c
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
drivers/staging/rtl8723bs/os_dep/xmit_linux.c

index d40ad03e99a35bfad8c5041964dda0545feca883..910f7fa1a026efdbd9e12f89d7b0109c709442c5 100644 (file)
@@ -995,8 +995,7 @@ if (1) {
                rtw_hal_set_hwreg(padapter, HW_VAR_EFUSE_USAGE, (u8 *)&efuse_usage);
        }
 
-       if (efuseTbl)
-               kfree(efuseTbl);
+       kfree(efuseTbl);
 }
 
 static void hal_ReadEFuse_BT(
@@ -1128,8 +1127,7 @@ static void hal_ReadEFuse_BT(
        }
 
 exit:
-       if (efuseTbl)
-               kfree(efuseTbl);
+       kfree(efuseTbl);
 }
 
 static void Hal_ReadEFuse(
index cf09a0a89815f4baa009a788aad0ba872649e670..6285b72faa9a4decf49794a0c9db22b3e1d432a8 100644 (file)
@@ -602,8 +602,7 @@ static s32 _sdio_local_read(
        if (!err)
                memcpy(pbuf, ptmpbuf, cnt);
 
-       if (ptmpbuf)
-               kfree(ptmpbuf);
+       kfree(ptmpbuf);
 
        return err;
 }
@@ -646,8 +645,7 @@ s32 sdio_local_read(
        if (!err)
                memcpy(pbuf, ptmpbuf, cnt);
 
-       if (ptmpbuf)
-               kfree(ptmpbuf);
+       kfree(ptmpbuf);
 
        return err;
 }
index d2c66041a5616fccfa611107b0b32a7fd472d37b..52aa65bfd8905e91bc1306c72684978cdc3ac054 100644 (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);
-       }
+       kfree((u8 *)param);
 
        return ret;
 
@@ -1968,8 +1965,7 @@ 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);
+       kfree(buf);
        if (ret)
                _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
        return ret;
index fe3c42a0da31a1cf3157b3a4eeacc8b720548600..e11045f2a1b61b6f09b082822705b05ea0e0a53e 100644 (file)
@@ -766,9 +766,7 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
 
 exit:
 
-       if (pwep) {
-               kfree((u8 *)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);
-       }
+       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);
-       }
+       kfree((u8 *)pwep);
 
        return ret;
 
@@ -5785,12 +5776,9 @@ 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);
+       kfree(input);
+       kfree(buffer);
+       kfree(output);
 
        return err;
 }
index 66dfec18f770c2a71804d4d232a7318391b032fc..76968161f93664c1f32e979c713ffe065eb37464 100644 (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)
-                       kfree(pxmitbuf->pallocated_buf);
-       }
+       if (free_sz > 0)
+               kfree(pxmitbuf->pallocated_buf);
 }
 
 #define WMM_XMIT_THRESHOLD     (NR_XMITFRAME*2/5)