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boards native_posix: Detect attempt to configure not existing int

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Prevent overrunning the irq vector table.
This is not happening today in tree, but coverity thinks it
may. Checking for it to prevent it is not a bad idea
anyhow, so let's do it.

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
This commit is contained in:
Alberto Escolar Piedras 2024-02-12 12:26:07 +01:00 committed by Maureen Helm
parent 8ac651b10d
commit 66a4fe32ce
1 changed files with 5 additions and 0 deletions
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boards/posix/native_posix/irq_handler.c
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@ -228,6 +228,11 @@ int posix_get_current_irq(void)
void posix_isr_declare(unsigned int irq_p, int flags, void isr_p(const void *),
const void *isr_param_p)
{
if (irq_p >= N_IRQS) {
posix_print_error_and_exit("Attempted to configure not existent interrupt %u\n",
irq_p);
return;
}
irq_vector_table[irq_p].irq = irq_p;
irq_vector_table[irq_p].func = isr_p;
irq_vector_table[irq_p].param = isr_param_p;