Driver Core: bsg: add nodename for bsg driver

This adds support to the BSG driver to report the proper device name to
userspace for the bsg devices.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/block/bsg.c b/block/bsg.c
index 5358f9ae13c1..54106f052f70 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -1065,6 +1065,11 @@ EXPORT_SYMBOL_GPL(bsg_register_queue);
 
 static struct cdev bsg_cdev;
 
+static char *bsg_nodename(struct device *dev)
+{
+        return kasprintf(GFP_KERNEL, "bsg/%s", dev_name(dev));
+}
+
 static int __init bsg_init(void)
 {
         int ret, i;
@@ -1085,6 +1090,7 @@ static int __init bsg_init(void)
                 ret = PTR_ERR(bsg_class);
                 goto destroy_kmemcache;
         }
+        bsg_class->nodename = bsg_nodename;
 
         ret = alloc_chrdev_region(&devid, 0, BSG_MAX_DEVS, "bsg");
         if (ret)