Re: [PATCH libdrm 1/3] exynos: fix type-punned pointer build warning

[Tobias Jakobi]

Hello Seung-Woo,

Reviewed-by: Tobias Jakobi 

With best wishes,
Tobias


Seung-Woo Kim wrote:
> As like the commit ecc2a097294d ("xf86drm: Fix type-punned pointer
> build warning"), this fixes following build warning.
> 
>exynos_drm.c: In function 'exynos_handle_event':
>exynos_drm.c:420:15: warning: dereferencing type-punned pointer will break 
> strict-aliasing rules [-Wstrict-aliasing]
>   e = (struct drm_event *) [i];
>   ^
> 
> Signed-off-by: Seung-Woo Kim 
> ---
>  exynos/exynos_drm.c |2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c
> index b961e52..f6204f1 100644
> --- a/exynos/exynos_drm.c
> +++ b/exynos/exynos_drm.c
> @@ -417,7 +417,7 @@ exynos_handle_event(struct exynos_device *dev, struct 
> exynos_event_context *ctx)
>  
>   i = 0;
>   while (i < len) {
> - e = (struct drm_event *) [i];
> + e = (struct drm_event *)(buffer + i);
>   switch (e->type) {
>   case DRM_EVENT_VBLANK:
>   if (evctx->version < 1 ||
> 

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[PATCH libdrm 1/3] exynos: fix type-punned pointer build warning

[Seung-Woo Kim]

As like the commit ecc2a097294d ("xf86drm: Fix type-punned pointer
build warning"), this fixes following build warning.

   exynos_drm.c: In function 'exynos_handle_event':
   exynos_drm.c:420:15: warning: dereferencing type-punned pointer will break 
strict-aliasing rules [-Wstrict-aliasing]
  e = (struct drm_event *) [i];
  ^

Signed-off-by: Seung-Woo Kim 
---
 exynos/exynos_drm.c |2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c
index b961e52..f6204f1 100644
--- a/exynos/exynos_drm.c
+++ b/exynos/exynos_drm.c
@@ -417,7 +417,7 @@ exynos_handle_event(struct exynos_device *dev, struct 
exynos_event_context *ctx)
 
i = 0;
while (i < len) {
-   e = (struct drm_event *) [i];
+   e = (struct drm_event *)(buffer + i);
switch (e->type) {
case DRM_EVENT_VBLANK:
if (evctx->version < 1 ||
-- 
1.7.4.1

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