From: Andrew Morton <akpm@linux-foundation.org>

It's scary passing a half-initialised `struct resource' into callees: we don't
know what they might do.  Let's make the other fields in there all-zeroes.

Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Greg KH <greg@kroah.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/pci/probe.c |   20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff -puN drivers/pci/probe.c~fix-ide-legacy-mode-resources-fix drivers/pci/probe.c
--- a/drivers/pci/probe.c~fix-ide-legacy-mode-resources-fix
+++ a/drivers/pci/probe.c
@@ -765,12 +765,15 @@ static int pci_setup_device(struct pci_d
 		if (class == PCI_CLASS_STORAGE_IDE) {
 			u8 progif;
 			struct pci_bus_region region;
-			struct resource resource;
+
 			pci_read_config_byte(dev, PCI_CLASS_PROG, &progif);
 			if ((progif & 1) == 0) {
-				resource.start = 0x1F0;
-				resource.end = 0x1F7;
-				resource.flags = LEGACY_IO_RESOURCE;
+				struct resource resource = {
+					.start = 0x1F0,
+					.end = 0x1F7,
+					.flags = LEGACY_IO_RESOURCE,
+				};
+
 				pcibios_resource_to_bus(dev, &region, &resource);
 				dev->resource[0].start = region.start;
 				dev->resource[0].end = region.end;
@@ -784,9 +787,12 @@ static int pci_setup_device(struct pci_d
 				dev->resource[1].flags = resource.flags;
 			}
 			if ((progif & 4) == 0) {
-				resource.start = 0x170;
-				resource.end = 0x177;
-				resource.flags = LEGACY_IO_RESOURCE;
+				struct resource resource = {
+					.start = 0x170,
+					.end = 0x177,
+					.flags = LEGACY_IO_RESOURCE,
+				};
+
 				pcibios_resource_to_bus(dev, &region, &resource);
 				dev->resource[2].start = region.start;
 				dev->resource[2].end = region.end;
_