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authorGreg Kroah-Hartman <gregkh@suse.de>2008-05-22 17:21:08 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2008-07-22 00:54:48 -0400
commit6ffeea77ff014f1456fcd0564eac84b34e9535ca (patch)
tree250c2ed78d430db765a73f0432ea7fb5a55dc4cf
parent695794ae0c5bdd9bd06e35b118801e2e9be04f9e (diff)
block: fix compiler warning in genhd.c
Warn if something really bad happens if we can't create this link. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--block/genhd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 24e3fc9095fe..3ccf5c017565 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -183,6 +183,7 @@ static int exact_lock(dev_t devt, void *data)
183void add_disk(struct gendisk *disk) 183void add_disk(struct gendisk *disk)
184{ 184{
185 struct backing_dev_info *bdi; 185 struct backing_dev_info *bdi;
186 int retval;
186 187
187 disk->flags |= GENHD_FL_UP; 188 disk->flags |= GENHD_FL_UP;
188 blk_register_region(MKDEV(disk->major, disk->first_minor), 189 blk_register_region(MKDEV(disk->major, disk->first_minor),
@@ -193,7 +194,8 @@ void add_disk(struct gendisk *disk)
193 194
194 bdi = &disk->queue->backing_dev_info; 195 bdi = &disk->queue->backing_dev_info;
195 bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor)); 196 bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor));
196 sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi"); 197 retval = sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi");
198 WARN_ON(retval);
197} 199}
198 200
199EXPORT_SYMBOL(add_disk); 201EXPORT_SYMBOL(add_disk);