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[5.10,524/717] media: ipu3-cio2: Remove traces of returned buffers

Message ID 20201228125046.074691249@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 28, 2020, 12:48 p.m. UTC 
From: Sakari Ailus <sakari.ailus@linux.intel.com>

commit 61e7f892b5ee1dd10ea8bff805f3c3fe6e535959 upstream.

If starting a video buffer queue fails, the buffers are returned to
videobuf2. Remove the reference to the buffer from the driver's queue as
well.

Fixes: c2a6a07afe4a ("media: intel-ipu3: cio2: add new MIPI-CSI2 driver")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: stable@vger.kernel.org # v4.16 and up
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/pci/intel/ipu3/ipu3-cio2.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

--- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
@@ -791,6 +791,7 @@  static void cio2_vb2_return_all_buffers(
 			atomic_dec(&q->bufs_queued);
 			vb2_buffer_done(&q->bufs[i]->vbb.vb2_buf,
 					state);
+			q->bufs[i] = NULL;
 		}
 	}
 }