drm_hwcomposer: fix sign-compare building error in uevent listener
d26619b5 ("drm_hwcomposer: CI: Upgrade clang-* to v12") declared 'ret' as ssize_t
but after commit 1e053b4e ("drm_hwcomposer: Make uevent listener standalone")
drm/UEventListener.cpp is affected by the following builing error:
external/drm_hwcomposer/drm/UEventListener.cpp:82:28:
error: comparison of integers of different signs: 'uint32_t' (aka 'unsigned int') and 'ssize_t' (aka 'int') [-Werror,-Wsign-compare]
for (uint32_t i = 0; i < ret;) {
~ ^ ~~~
1 error generated.
Fixes: 1e053b4e ("drm_hwcomposer: Make uevent listener standalone")
Signed-off-by: Mauro Rossi <issor.oruam@gmail.com>
[RomanS: Fixed CI nitpicks]
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Change-Id: Ia97d9019c21ac68be386a627cb101f6e423bbfc7
diff --git a/drm/UEventListener.cpp b/drm/UEventListener.cpp
index 44c503d..8d33ad2 100644
--- a/drm/UEventListener.cpp
+++ b/drm/UEventListener.cpp
@@ -79,7 +79,7 @@
bool drm_event = false;
bool hotplug_event = false;
- for (uint32_t i = 0; i < ret;) {
+ for (uint32_t i = 0; (ssize_t)i < ret;) {
char *event = buffer + i;
if (strcmp(event, "DEVTYPE=drm_minor") != 0)
drm_event = true;