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-rw-r--r--drivers/gpu/drm/display/drm_dp_dual_mode_helper.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c
index 14a2a8473682..c491e3203bf1 100644
--- a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c
@@ -160,11 +160,11 @@ EXPORT_SYMBOL(drm_dp_dual_mode_write);
static bool is_hdmi_adaptor(const char hdmi_id[DP_DUAL_MODE_HDMI_ID_LEN])
{
- static const char dp_dual_mode_hdmi_id[DP_DUAL_MODE_HDMI_ID_LEN] =
+ static const char dp_dual_mode_hdmi_id[DP_DUAL_MODE_HDMI_ID_LEN + 1] =
"DP-HDMI ADAPTOR\x04";
return memcmp(hdmi_id, dp_dual_mode_hdmi_id,
- sizeof(dp_dual_mode_hdmi_id)) == 0;
+ DP_DUAL_MODE_HDMI_ID_LEN) == 0;
}
static bool is_type1_adaptor(uint8_t adaptor_id)