Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c: In function ‘dm_dtn_log_append_v’:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:345:2: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:375:3: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
Cc: Harry Wentland <[email protected]>
Cc: Leo Li <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Lee Jones <[email protected]>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index b7d7ec3ba00d7..24a81642baa26 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -318,6 +318,7 @@ void dm_dtn_log_begin(struct dc_context *ctx,
dm_dtn_log_append_v(ctx, log_ctx, "%s", msg);
}
+__printf(3, 4)
void dm_dtn_log_append_v(struct dc_context *ctx,
struct dc_log_buffer_ctx *log_ctx,
const char *msg, ...)
--
2.25.1
On Thu, Nov 26, 2020 at 8:44 AM Lee Jones <[email protected]> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c: In function ‘dm_dtn_log_append_v’:
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:345:2: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:375:3: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
>
> Cc: Harry Wentland <[email protected]>
> Cc: Leo Li <[email protected]>
> Cc: Alex Deucher <[email protected]>
> Cc: "Christian König" <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Lee Jones <[email protected]>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
> index b7d7ec3ba00d7..24a81642baa26 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
> @@ -318,6 +318,7 @@ void dm_dtn_log_begin(struct dc_context *ctx,
> dm_dtn_log_append_v(ctx, log_ctx, "%s", msg);
> }
>
> +__printf(3, 4)
Can you expand a bit on what this does?
Alex
> void dm_dtn_log_append_v(struct dc_context *ctx,
> struct dc_log_buffer_ctx *log_ctx,
> const char *msg, ...)
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
Am 01.12.20 um 19:42 schrieb Alex Deucher:
> On Thu, Nov 26, 2020 at 8:44 AM Lee Jones <[email protected]> wrote:
>> Fixes the following W=1 kernel build warning(s):
>>
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c: In function ‘dm_dtn_log_append_v’:
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:345:2: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:375:3: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
>>
>> Cc: Harry Wentland <[email protected]>
>> Cc: Leo Li <[email protected]>
>> Cc: Alex Deucher <[email protected]>
>> Cc: "Christian König" <[email protected]>
>> Cc: David Airlie <[email protected]>
>> Cc: Daniel Vetter <[email protected]>
>> Cc: [email protected]
>> Cc: [email protected]
>> Signed-off-by: Lee Jones <[email protected]>
>> ---
>> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
>> index b7d7ec3ba00d7..24a81642baa26 100644
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
>> @@ -318,6 +318,7 @@ void dm_dtn_log_begin(struct dc_context *ctx,
>> dm_dtn_log_append_v(ctx, log_ctx, "%s", msg);
>> }
>>
>> +__printf(3, 4)
> Can you expand a bit on what this does?
Been a while since I looked into something like this, but IIRC this
means that parameter 3 (msg) is considered a printf format string and
the types of parameter 4 and following checked against that.
Looks correct to me.
Christian.
>
> Alex
>
>> void dm_dtn_log_append_v(struct dc_context *ctx,
>> struct dc_log_buffer_ctx *log_ctx,
>> const char *msg, ...)
>> --
>> 2.25.1
>>
>> _______________________________________________
>> dri-devel mailing list
>> [email protected]
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Fdri-devel&data=04%7C01%7Cchristian.koenig%40amd.com%7C50bdbd2fb7a5400e91c008d89628d11c%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C1%7C637424450053181783%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=afzSSu%2Fba0%2FQiwOameJRO5Sgs5joRPondWQx%2ByQZZlU%3D&reserved=0
On Tue, Dec 1, 2020 at 1:59 PM Christian König <[email protected]> wrote:
>
> Am 01.12.20 um 19:42 schrieb Alex Deucher:
> > On Thu, Nov 26, 2020 at 8:44 AM Lee Jones <[email protected]> wrote:
> >> Fixes the following W=1 kernel build warning(s):
> >>
> >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c: In function ‘dm_dtn_log_append_v’:
> >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:345:2: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
> >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:375:3: warning: function ‘dm_dtn_log_append_v’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
> >>
> >> Cc: Harry Wentland <[email protected]>
> >> Cc: Leo Li <[email protected]>
> >> Cc: Alex Deucher <[email protected]>
> >> Cc: "Christian König" <[email protected]>
> >> Cc: David Airlie <[email protected]>
> >> Cc: Daniel Vetter <[email protected]>
> >> Cc: [email protected]
> >> Cc: [email protected]
> >> Signed-off-by: Lee Jones <[email protected]>
> >> ---
> >> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
> >> index b7d7ec3ba00d7..24a81642baa26 100644
> >> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
> >> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
> >> @@ -318,6 +318,7 @@ void dm_dtn_log_begin(struct dc_context *ctx,
> >> dm_dtn_log_append_v(ctx, log_ctx, "%s", msg);
> >> }
> >>
> >> +__printf(3, 4)
> > Can you expand a bit on what this does?
>
> Been a while since I looked into something like this, but IIRC this
> means that parameter 3 (msg) is considered a printf format string and
> the types of parameter 4 and following checked against that.
>
> Looks correct to me.
Thanks. Applied.
Alex
>
> Christian.
>
> >
> > Alex
> >
> >> void dm_dtn_log_append_v(struct dc_context *ctx,
> >> struct dc_log_buffer_ctx *log_ctx,
> >> const char *msg, ...)
> >> --
> >> 2.25.1
> >>
> >> _______________________________________________
> >> dri-devel mailing list
> >> [email protected]
> >> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Fdri-devel&data=04%7C01%7Cchristian.koenig%40amd.com%7C50bdbd2fb7a5400e91c008d89628d11c%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C1%7C637424450053181783%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=afzSSu%2Fba0%2FQiwOameJRO5Sgs5joRPondWQx%2ByQZZlU%3D&reserved=0
>