id is used as array subscript, so it's valid value range is 0 ... ARRAY_SIZE -1. Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx> --- arch/arm/mach-tegra/include/mach/lowlevel.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-tegra/include/mach/lowlevel.h b/arch/arm/mach-tegra/include/mach/lowlevel.h index b7c01c0..361b12e 100644 --- a/arch/arm/mach-tegra/include/mach/lowlevel.h +++ b/arch/arm/mach-tegra/include/mach/lowlevel.h @@ -136,7 +136,7 @@ static inline long tegra20_get_debuguart_base(void) return 0; id = (odmdata & T20_ODMDATA_UARTID_MASK) >> T20_ODMDATA_UARTID_SHIFT; - if (id > ARRAY_SIZE(uart_id_to_base)) + if (id >= ARRAY_SIZE(uart_id_to_base)) return 0; return uart_id_to_base[id]; -- 1.8.1.2 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox