[GIT PULL] Linux Media vimc update for Linux 6.15-rc1

[Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>]

Hi Mauro,

Please pull the following vimc update for Linux 6.15-rc1.

Fixes a bug in vimc streamer pipeline init code found by syzbot.

diff is attached.

thanks,
-- Shuah

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The following changes since commit a64dcfb451e254085a7daee5fe51bf22959d52d3:

  Linux 6.14-rc2 (2025-02-09 12:45:03 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux tags/linux-vimc-6.15-rc1

for you to fetch changes up to d6813eb9c3de01307801f253d89d777b4669a0d0:

  media: vimc: skip .s_stream() for stopped entities (2025-03-06 09:11:39 -0700)

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linux-vimc-6.15-rc1

Fixes a bug in vimc streamer pipeline init code found by syzbot.

----------------------------------------------------------------
Nikita Zhandarovich (1):
      media: vimc: skip .s_stream() for stopped entities

 drivers/media/test-drivers/vimc/vimc-streamer.c | 6 ++++++
 1 file changed, 6 insertions(+)
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diff --git a/drivers/media/test-drivers/vimc/vimc-streamer.c b/drivers/media/test-drivers/vimc/vimc-streamer.c
index 807551a5143b..15d863f97cbf 100644
--- a/drivers/media/test-drivers/vimc/vimc-streamer.c
+++ b/drivers/media/test-drivers/vimc/vimc-streamer.c
@@ -59,6 +59,12 @@ static void vimc_streamer_pipeline_terminate(struct vimc_stream *stream)
 			continue;
 
 		sd = media_entity_to_v4l2_subdev(ved->ent);
+		/*
+		 * Do not call .s_stream() to stop an already
+		 * stopped/unstarted subdev.
+		 */
+		if (!v4l2_subdev_is_streaming(sd))
+			continue;
 		v4l2_subdev_call(sd, video, s_stream, 0);
 	}
 }