From: Shuicheng Lin Date: Thu, 19 Feb 2026 23:35:19 +0000 (+0000) Subject: drm/xe/sync: Fix user fence leak on alloc failure X-Git-Tag: ceph-for-7.0-rc4~88^2~1^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0879c3f04f67e2a1677c25dcc24669ce21eb6a6c;p=ceph-client.git drm/xe/sync: Fix user fence leak on alloc failure When dma_fence_chain_alloc() fails, properly release the user fence reference to prevent a memory leak. Fixes: 0995c2fc39b0 ("drm/xe: Enforce correct user fence signaling order using") Cc: Matthew Brost Signed-off-by: Shuicheng Lin Reviewed-by: Matthew Brost Signed-off-by: Matthew Brost Link: https://patch.msgid.link/20260219233516.2938172-6-shuicheng.lin@intel.com (cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0) Cc: stable@vger.kernel.org Signed-off-by: Rodrigo Vivi --- diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index ebf6c96d7a41..24d6d9af20d6 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -206,8 +206,10 @@ int xe_sync_entry_parse(struct xe_device *xe, struct xe_file *xef, if (XE_IOCTL_DBG(xe, IS_ERR(sync->ufence))) return PTR_ERR(sync->ufence); sync->ufence_chain_fence = dma_fence_chain_alloc(); - if (!sync->ufence_chain_fence) - return -ENOMEM; + if (!sync->ufence_chain_fence) { + err = -ENOMEM; + goto free_sync; + } sync->ufence_syncobj = ufence_syncobj; }