Re: davinci compiler warnings
On 07/17/2014 09:49 PM, Prabhakar Lad wrote:
> Hi Hans
>
> On Thu, Jul 17, 2014 at 8:41 PM, Hans Verkuil wrote:
>> Hi Prabhakar,
>>
>> Can you take a look at these new warnings? I've just upgraded my compiler for
>> the daily build to 4.9.1, so that's probably why they weren't seen before.
>>
> Ok will look at it. BTW are these errors from the media/master branch or
> from your tree ?
media/master
>
> Thanks,
> --Prabhakar Lad
>
>> Regards,
>>
>> Hans
>>
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:
>> In function 'vpif_remove':
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1389:36:
>> warning: iteration 1u invokes undefined behavior
>> [-Waggressive-loop-optimizations]
>>vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
>> ^
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1385:2:
>> note: containing loop
>> for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
>> ^
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:
>> In function 'vpif_remove':
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1581:36:
>> warning: iteration 1u invokes undefined behavior
>> [-Waggressive-loop-optimizations]
>>vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
>> ^
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1577:2:
>> note: containing loop
>> for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
>> ^
>> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1580:23:
>> warning: array subscript is above array bounds [-Warray-bounds]
>>common = &ch->common[i];
>>^
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Re: davinci compiler warnings
Hi Hans
On Thu, Jul 17, 2014 at 8:41 PM, Hans Verkuil wrote:
> Hi Prabhakar,
>
> Can you take a look at these new warnings? I've just upgraded my compiler for
> the daily build to 4.9.1, so that's probably why they weren't seen before.
>
Ok will look at it. BTW are these errors from the media/master branch or
from your tree ?
Thanks,
--Prabhakar Lad
> Regards,
>
> Hans
>
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:
> In function 'vpif_remove':
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1389:36:
> warning: iteration 1u invokes undefined behavior
> [-Waggressive-loop-optimizations]
>vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
> ^
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1385:2:
> note: containing loop
> for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
> ^
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:
> In function 'vpif_remove':
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1581:36:
> warning: iteration 1u invokes undefined behavior
> [-Waggressive-loop-optimizations]
>vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
> ^
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1577:2:
> note: containing loop
> for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
> ^
> /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1580:23:
> warning: array subscript is above array bounds [-Warray-bounds]
>common = &ch->common[i];
>^
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davinci compiler warnings
Hi Prabhakar,
Can you take a look at these new warnings? I've just upgraded my compiler for
the daily build to 4.9.1, so that's probably why they weren't seen before.
Regards,
Hans
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:
In function 'vpif_remove':
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1389:36:
warning: iteration 1u invokes undefined behavior
[-Waggressive-loop-optimizations]
vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
^
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1385:2:
note: containing loop
for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
^
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:
In function 'vpif_remove':
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1581:36:
warning: iteration 1u invokes undefined behavior
[-Waggressive-loop-optimizations]
vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
^
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1577:2:
note: containing loop
for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
^
/home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1580:23:
warning: array subscript is above array bounds [-Warray-bounds]
common = &ch->common[i];
^
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