From 89709105a6091948ffb6ec2427954cbfe45358ce Mon Sep 17 00:00:00 2001 From: Zhipeng Lu Date: Mon, 4 Dec 2023 17:14:16 +0800 Subject: drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node When ida_alloc_max fails, resources allocated before should be freed, including *res allocated by kmalloc and ttm_resource_init. Fixes: d3bcb4b02fe9 ("drm/vmwgfx: switch the TTM backends to self alloc") Signed-off-by: Zhipeng Lu Signed-off-by: Zack Rusin Link: https://patchwork.freedesktop.org/patch/msgid/20231204091416.3308430-1-alexious@zju.edu.cn --- drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index ceb4d3d3b965..a0b47c9b33f5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -64,8 +64,11 @@ static int vmw_gmrid_man_get_node(struct ttm_resource_manager *man, ttm_resource_init(bo, place, *res); id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL); - if (id < 0) + if (id < 0) { + ttm_resource_fini(man, *res); + kfree(*res); return id; + } spin_lock(&gman->lock); -- cgit v1.2.3