If pirq_routing_table points to NULL, that means U-Boot fails to generate the table before in create_pirq_routing_table(), so we test it against NULL before actually writing it.
Signed-off-by: Bin Meng <[email protected]> Acked-by: Simon Glass <[email protected]> --- Changes in v2: None arch/x86/cpu/irq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c index d1711af..74b89ad 100644 --- a/arch/x86/cpu/irq.c +++ b/arch/x86/cpu/irq.c @@ -209,5 +209,8 @@ void pirq_init(void) u32 write_pirq_routing_table(u32 addr) { + if (!pirq_routing_table) + return addr; + return copy_pirq_routing_table(addr, pirq_routing_table); } -- 1.8.2.1 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
