This is a note to let you know that I've just added the patch titled
drm/amdgpu/display: Unlock mutex on error
to the 5.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-display-unlock-mutex-on-error.patch
and it can be found in the queue-5.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ee434a4f9f5ea15b0f84bddd8c012838cf9472c5 Mon Sep 17 00:00:00 2001
From: John van der Kamp <sjonny@xxxxxxxxxxx>
Date: Tue, 23 Jun 2020 23:30:54 +0200
Subject: drm/amdgpu/display: Unlock mutex on error
From: John van der Kamp <sjonny@xxxxxxxxxxx>
commit ee434a4f9f5ea15b0f84bddd8c012838cf9472c5 upstream.
Make sure we pass through ret label to unlock the mutex.
Signed-off-by: John van der Kamp <sjonny@xxxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
@@ -510,8 +510,10 @@ static ssize_t srm_data_read(struct file
srm = psp_get_srm(work->hdcp.config.psp.handle, &srm_version, &srm_size);
- if (!srm)
- return -EINVAL;
+ if (!srm) {
+ ret = -EINVAL;
+ goto ret;
+ }
if (pos >= srm_size)
ret = 0;
Patches currently in stable-queue which might be from sjonny@xxxxxxxxxxx are
queue-5.7/drm-amdgpu-display-unlock-mutex-on-error.patch
