From c0a4f56fb9945e36a004bc38852fbb801aae3bd5 Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Wed, 11 Oct 2017 17:21:53 +0100 Subject: [PATCH] anv: bo_cache: allow importing a BO larger than needed It's not a problem if a BO has been allocated larger than we need it to be. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102940 Fixes: 818b857914 ("anv: Use the BO cache for DeviceMemory allocations") Signed-off-by: Lionel Landwerlin Reviewed-by: Daniel Stone Cc: mesa-stable@lists.freedesktop.org --- src/intel/vulkan/anv_allocator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/intel/vulkan/anv_allocator.c b/src/intel/vulkan/anv_allocator.c index be750adeb52..0f123563f79 100644 --- a/src/intel/vulkan/anv_allocator.c +++ b/src/intel/vulkan/anv_allocator.c @@ -1302,7 +1302,7 @@ anv_bo_cache_import(struct anv_device *device, * this sort of attack but only if it can trust the buffer size. */ off_t import_size = lseek(fd, 0, SEEK_END); - if (import_size == (off_t)-1 || import_size != size) { + if (import_size == (off_t)-1 || import_size < size) { anv_gem_close(device, gem_handle); pthread_mutex_unlock(&cache->mutex); return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR); -- 2.30.2