staging: speakup: 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/speakup/main.c

@@ -1305,10 +1305,8 @@ void speakup_deallocate(struct vc_data *vc)
 	int vc_num;
 
 	vc_num = vc->vc_num;
-	if (speakup_console[vc_num] != NULL) {
-		kfree(speakup_console[vc_num]);
-		speakup_console[vc_num] = NULL;
-	}
+	kfree(speakup_console[vc_num]);
+	speakup_console[vc_num] = NULL;
 }
 
 static u_char is_cursor;