From: Rosen Penev Date: Fri, 20 Mar 2026 01:07:57 +0000 (-0700) Subject: drm/etnaviv: use kzalloc_flex X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=457fa9132c05f7caaab0b211e8fe595ec29689c7;p=thirdparty%2Fkernel%2Flinux.git drm/etnaviv: use kzalloc_flex A local helper was developed previously for struct_size. kzalloc_flex can be used now. Signed-off-by: Rosen Penev Link: https://patch.msgid.link/20260320010757.32158-1-rosenp@gmail.com Signed-off-by: Christian Gmeiner --- diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h index 20dad16fd5542..55a9e745604db 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h @@ -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 diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index fbf693addd749..1a77a09b3377e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -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;