A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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staging: rtl8188eu: core: Remove null check before kfree

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kfree on NULL pointer is a no-op.

This patch uses the following semantic patch to find such an instance
where NULL check is present before kfree.

// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);
@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>smpl>

Build tested it.

Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tapasweni Pathak 2014-10-30 21:08:09 +05:30 • committed by Greg Kroah-Hartman
commit a055b3cbb7
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/rtl8188eu/core/rtw_cmd.c
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@ -433,8 +433,7 @@ u8 rtw_joinbss_cmd(struct adapter *padapter, struct wlan_network *pnetwork)
psecnetwork = (struct wlan_bssid_ex *)&psecuritypriv->sec_bss;
if (psecnetwork == NULL) {
if (pcmd != NULL)
kfree(pcmd);
kfree(pcmd);
res = _FAIL;