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drm/i915: fix possible memory leak in intel_hdcp_auth_downstream()

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'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: f26ae6a652 ("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
(cherry picked from commit de70fdd7d2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Wei Yongjun
2019-07-04 10:45:34 +00:00
committed by Jani Nikula
parent e21a712a96
commit 0584674d7f
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/intel_hdcp.c
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@@ -536,7 +536,8 @@ 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;
}
/*