A small number of SiS setups require special handling (not many judging
by how long this dumb bug survived). A couple of Fedora 7 devel testers
hit an Oops on pata_sis loading which is caused by terminal confusion
between chipset as 'the chipset we have found' and chipset as 'array
iterator'
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
--- linux.vanilla-2.6.21-rc6-mm1/drivers/ata/pata_sis.c 2007-04-12 14:15:03.000000000 +0100
+++ linux-2.6.21-rc6-mm1/drivers/ata/pata_sis.c 2007-04-19 10:42:36.966672184 +0100
@@ -831,6 +831,7 @@
struct ata_port_info *port;
struct pci_dev *host = NULL;
struct sis_chipset *chipset = NULL;
+ struct sis_chipset *sets;
static struct sis_chipset sis_chipsets[] = {
@@ -885,10 +886,11 @@
/* We have to find the bridge first */
- for (chipset = &sis_chipsets[0]; chipset->device; chipset++) {
- host = pci_get_device(PCI_VENDOR_ID_SI, chipset->device, NULL);
+ for (sets = &sis_chipsets[0]; sets->device; sets++) {
+ host = pci_get_device(PCI_VENDOR_ID_SI, sets->device, NULL);
if (host != NULL) {
- if (chipset->device == 0x630) { /* SIS630 */
+ chipset = sets; /* Match found */
+ if (sets->device == 0x630) { /* SIS630 */
u8 host_rev;
pci_read_config_byte(host, PCI_REVISION_ID, &host_rev);
if (host_rev >= 0x30) /* 630 ET */
@@ -899,7 +901,7 @@
}
/* Look for concealed bridges */
- if (host == NULL) {
+ if (chipset == NULL) {
/* Second check */
u32 idemisc;
u16 trueid;
-
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