applied. thanks, -Len >-----Original Message----- >From: Chen, Justin [mailto:justin.chen@xxxxxx] >Sent: Tuesday, October 10, 2006 5:07 PM >To: Brown, Len >Cc: linux-acpi@xxxxxxxxxxxxxxx >Subject: [PATCH] ACPI: fix find_pci_rootbridge() return value >to save time finding rootbridge > > >The acpi_get_pci_rootbridge_handle() walk through the acpi ns >to find the handle matches the seg, bus and the >PCI_ROOT_HID_STRING. It should returns the handle as soon as >if find the match. But the current codes always parse through >the whole namespace because the user_function >find_pci_rootbridge() returns status=AE_OK when it finds the match. > >This patch, on top of 2.6.19-rc1, is to make the >find_pci_rootbridge() returning AE_CTRL_TERMINATE when it >finds the match. > >Signed-off-by: Justin Chen <justin.chen@xxxxxx> > >--------------------------------------------------------------- >---------------------------------------------------- >--- 2.6.19-rc1/drivers/acpi/glue.c.orig 2006-10-10 >16:02:40.000000000 -0700 >+++ 2.6.19-rc1/drivers/acpi/glue.c 2006-10-10 >16:05:11.000000000 -0700 >@@ -189,8 +189,12 @@ find_pci_rootbridge(acpi_handle handle, > bus = tmp; > > if (seg == find->seg && bus == find->bus) >+ { > find->handle = handle; >- status = AE_OK; >+ status = AE_CTRL_TERMINATE; >+ } >+ else >+ status = AE_OK; > exit: > kfree(buffer.pointer); > return status; > - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
