[S390] qdio: fix broken pointer in case of CONFIG_DEBUG_FS is disabled

[linux-2.6-omap-h63xx.git] / drivers / s390 / cio / qdio_debug.c

diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index f8a3b6967f691aa504711cf6b49867c8879ace5c..da7afb04e71ff8003c0b6139d169590a0b1caf2e 100644 (file)
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -169,6 +169,8 @@ static void setup_debugfs_entry(struct qdio_q *q, struct ccw_device *cdev)
                 q->nr);
        debugfs_queues[i] = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR,
                                                debugfs_root, q, &debugfs_fops);
+       if (IS_ERR(debugfs_queues[i]))
+               debugfs_queues[i] = NULL;
 }
 
 void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, struct ccw_device *cdev)