floppy: handle device_create_file() failure while init

This patch kills the "ignoring return value of 'device_create_file'"
warning message.

Signed-off-by: Monakhov Dmitriy <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 5231ed7e723f0a1ef34ca61684e0ef563b2bc468..3587cb434371f10a3219b9405a1dc6225cff93c9 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4334,7 +4334,10 @@ static int __init floppy_init(void)
                if (err)
                        goto out_flush_work;
 
-               device_create_file(&floppy_device[drive].dev,&dev_attr_cmos);
+               err = device_create_file(&floppy_device[drive].dev,&dev_attr_cmos);
+               if (err)
+                       goto out_unreg_platform_dev;
+
                /* to be cleaned up... */
                disks[drive]->private_data = (void *)(long)drive;
                disks[drive]->queue = floppy_queue;
@@ -4345,6 +4348,8 @@ static int __init floppy_init(void)
 
        return 0;
 
+out_unreg_platform_dev:
+       platform_device_unregister(&floppy_device[drive]);
 out_flush_work:
        flush_scheduled_work();
        if (usage_count)