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drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add

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In vmw_cmdbuf_res_add if drm_ht_insert_item fails the allocated memory
for cres should be released.

Fixes: 18e4a4669c ("drm/vmwgfx: Fix compat shader namespace")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Navid Emamdoost 2019-09-24 23:37:58 -05:00 committed by Thomas Hellstrom
parent 0d4c19f938
commit 40efb09a7f
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
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@ -209,8 +209,10 @@ int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
cres->hash.key = user_key | (res_type << 24);
ret = drm_ht_insert_item(&man->resources, &cres->hash);
if (unlikely(ret != 0))
if (unlikely(ret != 0)) {
kfree(cres);
goto out_invalid_key;
}
cres->state = VMW_CMDBUF_RES_ADD;
cres->res = vmw_resource_reference(res);