Re: What is struct pci_driver.owner for?

From: Roland Dreier
Date: Tue Oct 18 2005 - 16:06:48 EST


Greg> But what it really does today is create the symlink from the
Greg> driver to the module that is contained in it, in sysfs.
Greg> Which is very invaluable for people who want to know these
Greg> things (installer programs, etc.)

Greg> That "module" symlink is created only if the .owner field is
Greg> set. That's why people are going through and adding it to
Greg> all of the drivers in the system.

OK, I'll make my own small contribution and push this for 2.6.15:

diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -1196,6 +1196,7 @@ MODULE_DEVICE_TABLE(pci, mthca_pci_table

static struct pci_driver mthca_driver = {
.name = DRV_NAME,
+ .owner = THIS_MODULE,
.id_table = mthca_pci_table,
.probe = mthca_init_one,
.remove = __devexit_p(mthca_remove_one)
-
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