From: John van der Kamp sjonny@suffe.me.uk
commit ee434a4f9f5ea15b0f84bddd8c012838cf9472c5 upstream.
Make sure we pass through ret label to unlock the mutex.
Signed-off-by: John van der Kamp sjonny@suffe.me.uk Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index dcf84a61de37f..949d10ef83040 100644 --- 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 *filp, struct kobject *kobj, struct bin
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;