Re: [patch] x86, efi: precedence error in setup_efi_pci()

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On Fri, Dec 07, 2012 at 07:05:53PM -0800, H. Peter Anvin wrote:
> On 12/06/2012 10:16 PM, Dan Carpenter wrote:
> >Negate has higher precedence than bitwise AND so the condition is always
> >false.
> >
> >Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >
> >diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
> >index b1942e2..18e329c 100644
> >--- a/arch/x86/boot/compressed/eboot.c
> >+++ b/arch/x86/boot/compressed/eboot.c
> >@@ -302,7 +302,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
> >  		if (status != EFI_SUCCESS)
> >  			continue;
> >
> >-		if (!attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM)
> >+		if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM))
> >  			continue;
> >
> >  		if (!pci->romimage || !pci->romsize)
> >
> 
> What is the baseline for this patch?
> 

Sorry, this is a linux-next bug.  Introduced in:

commit dd5fc854de5fd37adfcef8a366cd21a55aa01d3d
Author: Matthew Garrett <mjg@xxxxxxxxxx>
Date:   Wed Dec 5 14:33:26 2012 -0700

    EFI: Stash ROMs if they're not in the PCI BAR

regards,
dan carpenter

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