47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: "Poluri, Sarat Chandra" <sarat.chandra.poluri@intel.com>
|
|
Date: Tue, 9 Apr 2019 22:28:30 +0000
|
|
Subject: [PATCH] media: ici: Fix system reboot upon stream stop after a fatal
|
|
error in multi-streaming use case.
|
|
|
|
ici_isys_frame_buf_stream_cancel should be called outside of the mutex and
|
|
after ip->streaming set to 0. This avoids NULL pointer dereference in
|
|
unmap_buf_virt.
|
|
|
|
Change-Id: Ib9eab6b92ca0680fd220965b7b7a4d3dfa894b3e
|
|
Tracked-On: PKT-2287
|
|
Tracked-On: HSDES-1409169225
|
|
Signed-off-by: Poluri, Sarat Chandra <sarat.chandra.poluri@intel.com>
|
|
---
|
|
drivers/media/pci/intel/ici/ici-isys-stream.c | 11 ++---------
|
|
1 file changed, 2 insertions(+), 9 deletions(-)
|
|
|
|
diff --git a/drivers/media/pci/intel/ici/ici-isys-stream.c b/drivers/media/pci/intel/ici/ici-isys-stream.c
|
|
index ebcc729..09fcd02 100644
|
|
--- a/drivers/media/pci/intel/ici/ici-isys-stream.c
|
|
+++ b/drivers/media/pci/intel/ici/ici-isys-stream.c
|
|
@@ -960,18 +960,11 @@ static int ici_isys_stream_off(struct file *file, void *fh)
|
|
if (ip->streaming)
|
|
ici_isys_set_streaming(as, 0);
|
|
|
|
- ici_isys_frame_buf_short_packet_destroy(as);
|
|
- mutex_unlock(&as->isys->stream_mutex);
|
|
-
|
|
- ici_isys_frame_buf_stream_cancel(as);
|
|
-
|
|
- mutex_lock(&as->isys->stream_mutex);
|
|
- //streaming always should be turned off last.
|
|
- //This variable prevents other streams from
|
|
- //starting before we are done with cleanup.
|
|
ip->streaming = 0;
|
|
mutex_unlock(&as->isys->stream_mutex);
|
|
|
|
+ ici_isys_frame_buf_short_packet_destroy(as);
|
|
+ ici_isys_frame_buf_stream_cancel(as);
|
|
pipeline_set_power(as, 0);
|
|
return 0;
|
|
}
|
|
--
|
|
https://clearlinux.org
|
|
|