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>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 5231ed7e723f..3587cb434371 100644
--- 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)