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From: John van der Kamp <sjonny@suffe.me.uk>
To: amd-gfx@lists.freedesktop.org
Cc: John van der Kamp <sjonny@suffe.me.uk>
Subject: [PATCH] Unlock mutex on error
Date: Tue, 23 Jun 2020 23:30:54 +0200
Message-ID: <20200623213054.8847-1-sjonny@suffe.me.uk> (raw)

Make sure we pass through ret label to unlock the mutex.

Signed-off-by: John van der Kamp <sjonny@suffe.me.uk>
---
 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 dcf84a61de37..949d10ef8304 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;
-- 
2.20.1

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Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 21:30 John van der Kamp [this message]
2020-06-23 21:48 ` Alex Deucher

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