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Re: [Qemu-devel] [PATCH] hw/display/exynos4210_fimd: Fix bit-swapping co
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH] hw/display/exynos4210_fimd: Fix bit-swapping code |
Date: |
Fri, 5 Jun 2015 16:05:21 +0100 |
Ping for either patch review or suggestions
for updating the MAINTAINERS section for this board?
thanks
-- PMM
On 29 May 2015 at 16:16, Peter Maydell <address@hidden> wrote:
> fimd_swap_data() includes code to reverse the bits in a
> 64-bit integer, but an off-by-one error meant that it would
> try to shift off the top of the integer. Correct the bug
> (spotted by Coverity).
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> Compile-tested only, I have no exynos images to test with.
>
> hw/display/exynos4210_fimd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/display/exynos4210_fimd.c b/hw/display/exynos4210_fimd.c
> index 45c62af..3e59ee4 100644
> --- a/hw/display/exynos4210_fimd.c
> +++ b/hw/display/exynos4210_fimd.c
> @@ -337,7 +337,7 @@ static inline void fimd_swap_data(unsigned int swap_ctl,
> uint64_t *data)
> if (swap_ctl & FIMD_WINCON_SWAP_BITS) {
> res = 0;
> for (i = 0; i < 64; i++) {
> - if (x & (1ULL << (64 - i))) {
> + if (x & (1ULL << (63 - i))) {
> res |= (1ULL << i);
> }
> }
> --
> 1.9.1
>
>
- Re: [Qemu-devel] [PATCH] hw/display/exynos4210_fimd: Fix bit-swapping code,
Peter Maydell <=