Use LANANA-assigned major in ib_umad
PATCH 1/1 Use LANANA-assigned major in ib_umad
Update the ib_umad module to use major 231 instead of a dynamic major, as assigned in the LANANA Linux 2.6+ Device List
(http://lanana.org/docs/device-list/devices-2.6+.txt).
Signed-off-by Roland Dreier <[email protected]>
drivers/infiniband/core/user_mad.c +8 -5
@@ -56,7 +56,10 @@enum {IB_UMAD_MAX_PORTS =64 , -IB_UMAD_MAX_AGENTS =32 +IB_UMAD_MAX_AGENTS =32 , + +IB_UMAD_MAJOR =231 , +IB_UMAD_MINOR_BASE =0 };struct ib_umad_port {
@@ -97,7 +100,7 @@DECLARE_PCI_UNMAP_ADDR (mapping) }; -static dev_t base_dev; +static const dev_t base_dev =MKDEV (IB_UMAD_MAJOR ,IB_UMAD_MINOR_BASE );static spinlock_t map_lock; static DECLARE_BITMAP(dev_map, IB_UMAD_MAX_PORTS * 2);
@@ -789,10 +792,10 @@spin_lock_init (&map_lock); - ret =alloc_chrdev_region (&base_dev,0 ,IB_UMAD_MAX_PORTS *2 , -"infiniband_mad" ); + ret =register_chrdev_region (base_dev,IB_UMAD_MAX_PORTS *2 , +"infiniband_mad" );if (ret) { -printk (KERN_ERR "user_mad: couldn't get device number\n" ); +printk (KERN_ERR "user_mad: couldn't register device number\n" ); goto out; }