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IB: Add devnode methods to cm_class and umad_class 

We want the ucmX, umadX and issmX device nodes to show up under
/dev/infiniband, and additionally ucmX should have mode 0666.  Add
appropriate devnode methods to their class structs for this.

Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Roland Dreier 2011-05-23 11:21:47 -07:00
parent c8367c4cd9
commit c3af0980ce
2 changed files with 15 additions and 0 deletions
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8
drivers/infiniband/core/cm.c
View File

@ -3639,8 +3639,16 @@ static struct kobj_type cm_port_obj_type = {
.release = cm_release_port_obj
};
static char *cm_devnode(struct device *dev, mode_t *mode)
{
*mode = 0666;
return kasprintf(GFP_KERNEL, "infiniband/%s", dev_name(dev));
}
struct class cm_class = {
.owner = THIS_MODULE,
.name = "infiniband_cm",
.devnode = cm_devnode,
};
EXPORT_SYMBOL(cm_class);

7
drivers/infiniband/core/user_mad.c
View File

@ -1176,6 +1176,11 @@ static void ib_umad_remove_one(struct ib_device *device)
kref_put(&umad_dev->ref, ib_umad_release_dev);
}
static char *umad_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "infiniband/%s", dev_name(dev));
}
static int __init ib_umad_init(void)
{
int ret;
@ -1194,6 +1199,8 @@ static int __init ib_umad_init(void)
goto out_chrdev;
}
umad_class->devnode = umad_devnode;
ret = class_create_file(umad_class, &class_attr_abi_version.attr);
if (ret) {
printk(KERN_ERR "user_mad: couldn't create abi_version attribute\n");