capture: Added NULL check for buf_ctx

Added NULL check for capture->buf_ctx before using it in
vi_capture_shutdown.

Bug 200769105

Change-Id: Icf38a287054f0d264ed493d919dc06e1bfee8424
Signed-off-by: Devang Kubavat <dkubavat@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2589937
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Jerry Chang <jerchang@nvidia.com>
Reviewed-by: Aditya Tomar <adtomar@nvidia.com>
Reviewed-by: Anubhav Rai <arai@nvidia.com>
Reviewed-by: Frank Chen <frankc@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Jerry Chang <jerchang@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/media/platform/tegra/camera/vi/capture.c b/drivers/media/platform/tegra/camera/vi/capture.c
index d1bc037d8..9b8f324d4 100644
--- a/drivers/media/platform/tegra/camera/vi/capture.c
+++ b/drivers/media/platform/tegra/camera/vi/capture.c
@@ -205,7 +205,9 @@ void vi_capture_shutdown(struct tegra_vi_channel *chan)
                 }
 
                 capture_common_unpin_memory(&capture->requests);
-                destroy_buffer_table(capture->buf_ctx);
+                if (capture->buf_ctx != NULL)
+                        destroy_buffer_table(capture->buf_ctx);
+
                 vfree(capture->unpins_list);
                 capture->unpins_list = NULL;
         }