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can't shift by more than length - release

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This commit is contained in:
Philippe G
2021-12-27 22:05:23 -08:00
parent 0d411d7295
commit 1ee0a232f4
1 changed files with 1 additions and 1 deletions
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components/services/gpio_exp.c
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@@ -463,7 +463,7 @@ void service_handler(void *arg) {
xSemaphoreGive(expander->mutex); xSemaphoreGive(expander->mutex);
ESP_LOGD(TAG, "Handling GPIO %d reads 0x%04x and has 0x%04x pending", expander->first, expander->shadow, pending); ESP_LOGD(TAG, "Handling GPIO %d reads 0x%04x and has 0x%04x pending", expander->first, expander->shadow, pending);
for (int gpio = 31, clz; pending; pending <<= (clz + 1)) { for (int gpio = 31, clz = 0; pending && clz < 31; pending <<= (clz + 1)) {
clz = __builtin_clz(pending); clz = __builtin_clz(pending);
gpio -= clz; gpio -= clz;
if (expander->isr[gpio].timer) xTimerReset(expander->isr[gpio].timer, 1); // todo 0 if (expander->isr[gpio].timer) xTimerReset(expander->isr[gpio].timer, 1); // todo 0