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authorWei Yongjun <weiyongjun1@huawei.com>2019-07-04 10:45:34 +0000
committerJani Nikula <jani.nikula@intel.com>2019-08-01 13:08:34 +0300
commitde70fdd7d24cd07e51fbec420f8704d956a47949 (patch)
tree7ee0c13ab0b686f54285216979a3fcb1eb2e6916 /drivers/gpu/drm
parent10e36489abda787e10b21a1e006121dee89c8f1f (diff)
drm/i915: fix possible memory leak in intel_hdcp_auth_downstream()
'ksv_fifo' is malloced in intel_hdcp_auth_downstream() and should be freed before leaving from the error handling cases, otherwise it will cause memory leak. Fixes: f26ae6a652f2 ("drm/i915: SRM revocation check for HDCP1.4 and 2.2") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190704104534.12508-1-weiyongjun1@huawei.com
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hdcp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index a78139f9e847..1ffc1e61c2be 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -540,7 +540,8 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
if (drm_hdcp_check_ksvs_revoked(dev, ksv_fifo, num_downstream)) {
DRM_ERROR("Revoked Ksv(s) in ksv_fifo\n");
- return -EPERM;
+ ret = -EPERM;
+ goto err;
}
/*