radv: fix null memcpy and zero-sized malloc

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6206>
This commit is contained in:
Rhys Perry 2020-08-14 17:40:13 +01:00 committed by Marge Bot
parent b50ae77014
commit b553c7dd96

View file

@ -57,13 +57,14 @@ static int binding_compare(const void* av, const void *bv)
static VkDescriptorSetLayoutBinding *
create_sorted_bindings(const VkDescriptorSetLayoutBinding *bindings, unsigned count) {
VkDescriptorSetLayoutBinding *sorted_bindings = malloc(count * sizeof(VkDescriptorSetLayoutBinding));
VkDescriptorSetLayoutBinding *sorted_bindings = malloc(MAX2(count * sizeof(VkDescriptorSetLayoutBinding), 1));
if (!sorted_bindings)
return NULL;
memcpy(sorted_bindings, bindings, count * sizeof(VkDescriptorSetLayoutBinding));
qsort(sorted_bindings, count, sizeof(VkDescriptorSetLayoutBinding), binding_compare);
if (count) {
memcpy(sorted_bindings, bindings, count * sizeof(VkDescriptorSetLayoutBinding));
qsort(sorted_bindings, count, sizeof(VkDescriptorSetLayoutBinding), binding_compare);
}
return sorted_bindings;
}