staging: tidspbridge: 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/tidspbridge/core/chnl_sm.c

@@ -828,8 +828,7 @@ int bridge_chnl_open(struct chnl_object **chnl,
 	free_chirp_list(&pchnl->io_requests);
 	free_chirp_list(&pchnl->free_packets_list);
 
-	if (sync_event)
-		kfree(sync_event);
+	kfree(sync_event);
 
 	if (pchnl->ntfy_obj) {
 		ntfy_delete(pchnl->ntfy_obj);

drivers/staging/tidspbridge/pmgr/dbll.c

@@ -272,8 +272,7 @@ void dbll_delete(struct dbll_tar_obj *target)
 	DBC_REQUIRE(refs > 0);
 	DBC_REQUIRE(zl_target);
 
-	if (zl_target != NULL)
-		kfree(zl_target);
+	kfree(zl_target);
 
 }