[PATCH] uninitialised flags element could cause crashes

From: Matthew Wilcox <matthew_at_wil.cx>
Date: 2004-10-14 12:30:27
window is not zeroed, so the flags should be assigned, not modified.
This can lead to crashes at boot if the IO and Memory resources overlap.

Index: pci-2.6/arch/ia64/pci/pci.c
===================================================================
RCS file: /var/cvs/linux-2.6/arch/ia64/pci/pci.c,v
retrieving revision 1.15
diff -u -p -r1.15 pci.c
--- pci-2.6/arch/ia64/pci/pci.c	30 Sep 2004 12:07:43 -0000	1.15
+++ pci-2.6/arch/ia64/pci/pci.c	14 Oct 2004 02:07:10 -0000
@@ -275,7 +275,7 @@ add_window (struct acpi_resource *res, v
 			return AE_OK;
 
 		window = &info->controller->window[info->controller->windows++];
-		window->resource.flags |= flags;
+		window->resource.flags	= flags;
 		window->resource.start  = addr.min_address_range;
 		window->resource.end    = addr.max_address_range;
 		window->offset		= offset;

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain
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Received on Wed Oct 13 22:30:42 2004

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:31 EST