Driver Core: bsg: add nodename for bsg driver
Kay Sievers [Thu, 30 Apr 2009 13:23:42 +0000 (15:23 +0200)]
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>

block/bsg.c

index 5358f9a..54106f0 100644 (file)
@@ -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)