staging: wlan-ng: Remove NULL check before kfree

This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

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

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/wlan-ng/hfa384x_usb.c

@@ -612,10 +612,8 @@ void hfa384x_destroy(hfa384x_t *hw)
 		hfa384x_drvr_stop(hw);
 	hw->state = HFA384x_STATE_PREINIT;
 
-	if (hw->scanresults) {
-		kfree(hw->scanresults);
-		hw->scanresults = NULL;
-	}
+	kfree(hw->scanresults);
+	hw->scanresults = NULL;
 
 	/* Now to clean out the auth queue */
 	while ((skb = skb_dequeue(&hw->authq)))

drivers/staging/wlan-ng/prism2fw.c

@@ -443,8 +443,7 @@ void free_chunks(struct imgchunk *fchunk, unsigned int *nfchunks)
 {
 	int i;
 	for (i = 0; i < *nfchunks; i++) {
-		if (fchunk[i].data != NULL)
-			kfree(fchunk[i].data);
+		kfree(fchunk[i].data);
 	}
 	*nfchunks = 0;
 	memset(fchunk, 0, sizeof(*fchunk));