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authorJohn van der Kamp <sjonny@suffe.me.uk>2020-06-23 23:30:54 +0200
committerAlex Deucher <alexander.deucher@amd.com>2020-07-01 01:59:26 -0400
commit8ef51b428e6d935736d5fa7427cc063b6bb5b08a (patch)
treecbf3c9f1d382570e38e3c98b97cdfe388ef2c12c /drivers/gpu/drm/amd/display
parentdc2f832ecb045dd43793531ae149e1767696f5ad (diff)
drm/amdgpu/display: Unlock mutex on error
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c6
1 files 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 a8ee42d30911..694c5bc93665 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
@@ -546,8 +546,10 @@ 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;