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risc-v/esp32c3: Free CPU interrupt if irq_attach fails

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This commit is contained in:
Gustavo Henrique Nihei
2021-02-24 15:56:26 +00:00
committed by Abdelatif Guettouche
parent 5c24c98880
commit 6edeb9ebd9
1 changed files with 10 additions and 4 deletions
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arch/risc-v/src/esp32c3/esp32c3_wdt.c
+10 -4
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@@ -678,7 +678,7 @@ static int32_t esp32c3_wdt_setisr(struct esp32c3_wdt_dev_s *dev,
{
if (wdt->cpuint != -ENOMEM)
{
/* Disable the provided CPU Interrupt to configure it. */
/* Disable the provided CPU interrupt to configure it. */
up_disable_irq(wdt->cpuint);
}
@@ -695,12 +695,18 @@ static int32_t esp32c3_wdt_setisr(struct esp32c3_wdt_dev_s *dev,
/* Attach and enable the IRQ. */
ret = irq_attach(wdt->irq, handler, arg);
if (ret == OK)
if (ret != OK)
{
/* Enable the CPU Interrupt that is linked to the WDT. */
/* Failed to attach IRQ, so CPU interrupt must be freed. */
up_enable_irq(wdt->cpuint);
esp32c3_free_cpuint(wdt->periph);
wdt->cpuint = -ENOMEM;
return ret;
}
/* Enable the CPU interrupt that is linked to the WDT. */
up_enable_irq(wdt->cpuint);
}
return ret;