diff options
| -rw-r--r-- | drivers/block/rbd.c | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 606d59a..8ac26ab 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2224,28 +2224,24 @@ static ssize_t rbd_add(struct bus_type *bus, const char *buf, size_t count) { - struct ceph_osd_client *osdc; struct rbd_device *rbd_dev; - ssize_t rc = -ENOMEM; - int irc; - char *mon_dev_name; - char *options; + char *mon_dev_name = NULL; + char *options = NULL; + struct ceph_osd_client *osdc; + int rc = -ENOMEM; if (!try_module_get(THIS_MODULE)) return -ENODEV; + rbd_dev = kzalloc(sizeof(*rbd_dev), GFP_KERNEL); + if (!rbd_dev) + goto err_nomem; mon_dev_name = kmalloc(count, GFP_KERNEL); if (!mon_dev_name) - goto err_out_mod; - + goto err_nomem; options = kmalloc(count, GFP_KERNEL); if (!options) - goto err_mon_dev; - - /* new rbd_device object */ - rbd_dev = kzalloc(sizeof(*rbd_dev), GFP_KERNEL); - if (!rbd_dev) - goto err_out_opt; + goto err_nomem; /* static rbd_device initialization */ spin_lock_init(&rbd_dev->lock); @@ -2294,12 +2290,10 @@ static ssize_t rbd_add(struct bus_type *bus, rbd_dev->poolid = rc; /* register our block device */ - irc = register_blkdev(0, rbd_dev->name); - if (irc < 0) { - rc = irc; + rc = register_blkdev(0, rbd_dev->name); + if (rc < 0) goto err_out_client; - } - rbd_dev->major = irc; + rbd_dev->major = rc; rc = rbd_bus_add_dev(rbd_dev); if (rc) @@ -2332,15 +2326,15 @@ err_out_client: rbd_put_client(rbd_dev); err_put_id: rbd_id_put(rbd_dev); - kfree(rbd_dev); -err_out_opt: +err_nomem: kfree(options); -err_mon_dev: kfree(mon_dev_name); -err_out_mod: + kfree(rbd_dev); + dout("Error adding device %s\n", buf); module_put(THIS_MODULE); - return rc; + + return (ssize_t) rc; } static struct rbd_device *__rbd_get_dev(unsigned long id) |