Staging: zram: free device memory when init fails

Signed-off-by: NShahar Havivi <shaharh@redhat.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/zram/zram_drv.c

@@ -769,6 +769,7 @@ static int __init zram_init(void)
 free_devices:
 	while (dev_id)
 		destroy_device(&devices[--dev_id]);
+	kfree(devices);
 unregister:
 	unregister_blkdev(zram_major, "zram");
 out: