libhwcomposer: Check length of uevent description not HDMI uevent path

The HDMI uevent path does not change, what we want to check here is that
the next uevent_desc has a valid length.

Signed-off-by: Andrew F. Davis <afd@ti.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index eac7ffc..14eda8a 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -362,7 +362,7 @@ static void hwc_hdmi_thread(void* data)
         if (pfds[0].revents & POLLIN) {
             /* keep last 2 zeroes to ensure double 0 termination */
             uevent_next_event(uevent_desc, sizeof(uevent_desc) - 2);
-            if (strlen(hdmi_uevent_path) <= 0 || strcmp(uevent_desc, hdmi_uevent_path))
+            if (strlen(uevent_desc) <= 0 || strcmp(uevent_desc, hdmi_uevent_path))
                 continue; /* event not for us */
 
             state = check_hotplug_status(hwc_dev, state);