Re: [RFC][PATCH v2 13/31] timers: drm: Use del_timer_shutdown() before freeing timer

[Steven Rostedt]

[
  quilt mail --send still can't handle unicode characters.
    Here's the patch again
]

From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>

Before a timer is freed, del_timer_shutdown() must be called.

Link: https://lore.kernel.org/all/20220407161745.7d6754b3@xxxxxxxxxxxxxxxxxx/

Cc: "Noralf Trønnes" <noralf@xxxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
 drivers/gpu/drm/gud/gud_pipe.c       | 2 +-
 drivers/gpu/drm/i915/i915_sw_fence.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/gud/gud_pipe.c b/drivers/gpu/drm/gud/gud_pipe.c
index 7c6dc2bcd14a..5117a24ca4b5 100644
--- a/drivers/gpu/drm/gud/gud_pipe.c
+++ b/drivers/gpu/drm/gud/gud_pipe.c
@@ -272,7 +272,7 @@ static int gud_usb_bulk(struct gud_device *gdrm, size_t len)
 
 	usb_sg_wait(&ctx.sgr);
 
-	if (!del_timer_sync(&ctx.timer))
+	if (!del_timer_shutdown(&ctx.timer))
 		ret = -ETIMEDOUT;
 	else if (ctx.sgr.status < 0)
 		ret = ctx.sgr.status;
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index 6fc0d1b89690..c762e99c8fdf 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -465,7 +465,7 @@ static void irq_i915_sw_fence_work(struct irq_work *wrk)
 	struct i915_sw_dma_fence_cb_timer *cb =
 		container_of(wrk, typeof(*cb), work);
 
-	del_timer_sync(&cb->timer);
+	del_timer_shutdown(&cb->timer);
 	dma_fence_put(cb->dma);
 
 	kfree_rcu(cb, rcu);
-- 
2.35.1