[PATCH] Fix ide-disk.c oops caused by hwif == NULL
1. Move hwif_to_node to ide.h
2. Use hwif_to_node in ide-disk.c
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f9c1acb4..c9d3a00 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1220,7 +1220,7 @@
goto failed;
g = alloc_disk_node(1 << PARTN_BITS,
- pcibus_to_node(drive->hwif->pci_dev->bus));
+ hwif_to_node(drive->hwif));
if (!g)
goto out_free_idkp;
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 94daf40..c1128ae 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -960,15 +960,6 @@
}
#endif /* MAX_HWIFS > 1 */
-static inline int hwif_to_node(ide_hwif_t *hwif)
-{
- if (hwif->pci_dev)
- return pcibus_to_node(hwif->pci_dev->bus);
- else
- /* Add ways to determine the node of other busses here */
- return -1;
-}
-
/*
* init request queue
*/
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9212907..a6dbb51 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1501,4 +1501,10 @@
#define ide_id_has_flush_cache_ext(id) \
(((id)->cfs_enable_2 & 0x2400) == 0x2400)
+static inline int hwif_to_node(ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = hwif->pci_dev;
+ return dev ? pcibus_to_node(dev->bus) : -1;
+}
+
#endif /* _IDE_H */