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drm/etnaviv: use kzalloc_flex

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A local helper was developed previously for struct_size.

kzalloc_flex can be used now.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260320010757.32158-1-rosenp@gmail.com
Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
This commit is contained in:
Rosen Penev 2026-03-19 18:07:57 -07:00 committed by Christian Gmeiner
parent b70c692207
commit 457fa9132c
2 changed files with 1 additions and 14 deletions
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12
drivers/gpu/drm/etnaviv/etnaviv_drv.h
View File

@ -93,18 +93,6 @@ void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
/*
* Return the storage size of a structure with a variable length array.
* The array is nelem elements of elem_size, where the base structure
* is defined by base. If the size overflows size_t, return zero.
*/
static inline size_t size_vstruct(size_t nelem, size_t elem_size, size_t base)
{
if (elem_size && nelem > (SIZE_MAX - base) / elem_size)
return 0;
return base + nelem * elem_size;
}
/*
* Etnaviv timeouts are specified wrt CLOCK_MONOTONIC, not jiffies.
* We need to calculate the timeout in terms of number of jiffies

3
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
View File

@ -32,9 +32,8 @@ static struct etnaviv_gem_submit *submit_create(struct drm_device *dev,
struct etnaviv_gpu *gpu, size_t nr_bos, size_t nr_pmrs)
{
struct etnaviv_gem_submit *submit;
size_t sz = size_vstruct(nr_bos, sizeof(submit->bos[0]), sizeof(*submit));
submit = kzalloc(sz, GFP_KERNEL);
submit = kzalloc_flex(*submit, bos, nr_bos);
if (!submit)
return NULL;