Re: [PATCH -tip] x86: e820.h fix various signedness issues in setup.c and e820.c

From: Sam Ravnborg
Date: Sun Mar 22 2009 - 16:07:47 EST


On Mon, Mar 23, 2009 at 12:53:51AM +0530, Jaswinder Singh Rajput wrote:
>
> From: Jaswinder Singh Rajput <jaswinderrajput@xxxxxxxxx>
> Date: Mon, 23 Mar 2009 00:27:11 +0530
> Subject: [PATCH] x86: e820.h fix various signedness issues in setup.c and e820.c
>
> Impact: cleanup
>
> This fixed various signedness issues in setup.c and e820.c:
> arch/x86/kernel/setup.c:455:53: warning: incorrect type in argument 3 (different signedness)
> arch/x86/kernel/setup.c:455:53: expected int *pnr_map
> arch/x86/kernel/setup.c:455:53: got unsigned int extern [toplevel] *<noident>
> arch/x86/kernel/setup.c:639:53: warning: incorrect type in argument 3 (different signedness)
> arch/x86/kernel/setup.c:639:53: expected int *pnr_map
> arch/x86/kernel/setup.c:639:53: got unsigned int extern [toplevel] *<noident>
> arch/x86/kernel/setup.c:820:54: warning: incorrect type in argument 3 (different signedness)
> arch/x86/kernel/setup.c:820:54: expected int *pnr_map
> arch/x86/kernel/setup.c:820:54: got unsigned int extern [toplevel] *<noident>
>
> arch/x86/kernel/e820.c:670:53: warning: incorrect type in argument 3 (different signedness)
> arch/x86/kernel/e820.c:670:53: expected int *pnr_map
> arch/x86/kernel/e820.c:670:53: got unsigned int [toplevel] *<noident>
>
> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@xxxxxxxxx>
> ---
> arch/x86/include/asm/e820.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
> index 00d41ce..a1e1c54 100644
> --- a/arch/x86/include/asm/e820.h
> +++ b/arch/x86/include/asm/e820.h
> @@ -57,7 +57,7 @@ struct e820entry {
> } __attribute__((packed));
>
> struct e820map {
> - __u32 nr_map;
> + int nr_map;
> struct e820entry map[E820_X_MAX];
> };

but that header is exported so use of plain int looks wrong.

Sam
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