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sbi_irqchip_find_handler() may return NULL. Check the return value before dereferencing. Addresses-Coverity-ID: 1677408 Dereference null return value Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20260820134431.167336-1-heinrich.schuchardt@canonical.com Signed-off-by: Anup Patel <anup@brainfault.org>