linux-next: build failure after merge of the drm tree

[Stephen Rothwell]

Hi all,

On Fri, 25 Feb 2022 16:42:31 +0000 broonie at kernel.org wrote:
>
> After merging the drm tree, today's linux-next build (x86 allmodconfig)
> failed like this:
> 
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c: In function 'receive_timing_debugfs_show':
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
>  3077 |  u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
>       |                       ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
>  3076 |  u8 read_buf[READ_BUFFER_SIZE];
>       |     ^~~~~~~~
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   b5c84a9edcd418 ("drm/bridge: add it6505 driver")
> 
> I have used the drm tree from yesterday instead.

I am still getting these errors and so used the drm tree from
next-20220224 again.

-- 
Cheers,
Stephen Rothwell
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