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Staging: wilc1000: linux_wlan: Remove NULL check before kfree

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kfree on NULL pointer is a no-op.

The semantic patch used -

// <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>

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shraddha Barke
2015-10-12 20:49:20 +05:30
committed by Greg Kroah-Hartman
parent cccfc39e5c
commit fbeb0dab5e
1 changed files with 2 additions and 4 deletions
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6
drivers/staging/wilc1000/linux_wlan.c
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@@ -1887,10 +1887,8 @@ static void __exit exit_wilc_driver(void)
sdio_unregister_driver(&wilc_bus);
#endif
if (g_linux_wlan != NULL) {
kfree(g_linux_wlan);
g_linux_wlan = NULL;
}
kfree(g_linux_wlan);
g_linux_wlan = NULL;
printk("Module_exit Done.\n");
#if defined(WILC_DEBUGFS)