6.11-stable review patch. If anyone has any objections, please let me know.
------------------
From: Matthew Brost <matthew.brost@xxxxxxxxx>
commit 64a2b6ed4bfd890a0e91955dd8ef8422a3944ed9 upstream.
Upon failure all locks need to be dropped before returning to the user.
Fixes: 58480c1c912f ("drm/xe: Skip VMAs pin when requesting signal to the last XE_EXEC")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20241105043524.4062774-3-matthew.brost@xxxxxxxxx
(cherry picked from commit 7d1a4258e602ffdce529f56686925034c1b3b095)
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/xe/xe_exec.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -212,6 +212,7 @@ retry:
fence = xe_sync_in_fence_get(syncs, num_syncs, q, vm);
if (IS_ERR(fence)) {
err = PTR_ERR(fence);
+ xe_vm_unlock(vm);
goto err_unlock_list;
}
for (i = 0; i < num_syncs; i++)
