Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=65891215e6b822c368fb3f36abf129ed48af8be0
Commit: 65891215e6b822c368fb3f36abf129ed48af8be0
Parent: c9953a73e92df11edd812d863ff741877ea9e58c
Author: Michael Ellerman <[EMAIL PROTECTED]>
AuthorDate: Thu Apr 5 17:19:08 2007 +1000
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Wed May 2 19:02:37 2007 -0700
PCI: Create alloc_pci_dev(), the one true way to create a struct pci_dev
There are currently several places in the kernel where we kmalloc()
a struct pci_dev and start initialising it. It'd be preferable to
have an allocator so we can ensure the pci_dev is correctly initialised
in one place.
Signed-off-by: Michael Ellerman <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/pci/probe.c | 15 +++++++++++++++
include/linux/pci.h | 2 ++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 629edf3..70d37bb 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -846,6 +846,21 @@ static void pci_release_bus_bridge_dev(struct device *dev)
kfree(dev);
}
+struct pci_dev *alloc_pci_dev(void)
+{
+ struct pci_dev *dev;
+
+ dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
+ if (!dev)
+ return NULL;
+
+ INIT_LIST_HEAD(&dev->global_list);
+ INIT_LIST_HEAD(&dev->bus_list);
+
+ return dev;
+}
+EXPORT_SYMBOL(alloc_pci_dev);
+
/*
* Read the config data for a PCI device, sanity-check it
* and fill in the dev structure...
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 99d4575..c020747 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -193,6 +193,8 @@ struct pci_dev {
#endif
};
+extern struct pci_dev *alloc_pci_dev(void);
+
#define pci_dev_g(n) list_entry(n, struct pci_dev, global_list)
#define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list)
#define to_pci_dev(n) container_of(n, struct pci_dev, dev)
-
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