Fix index check against array size. If that index is equal to the array size, we'll access one-past-the-end of the array.
Signed-off-by: Patrice Chotard <[email protected]> --- arch/arm/mach-stm32mp/stm32mp2/cpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-stm32mp/stm32mp2/cpu.c b/arch/arm/mach-stm32mp/stm32mp2/cpu.c index e081dc605b8..a8a6bcf8ab4 100644 --- a/arch/arm/mach-stm32mp/stm32mp2/cpu.c +++ b/arch/arm/mach-stm32mp/stm32mp2/cpu.c @@ -148,7 +148,7 @@ static void setup_boot_mode(void) __func__, boot_ctx, boot_mode, instance, forced_mode); switch (boot_mode & TAMP_BOOT_DEVICE_MASK) { case BOOT_SERIAL_UART: - if (instance > ARRAY_SIZE(serial_addr)) + if (instance >= ARRAY_SIZE(serial_addr)) break; /* serial : search associated node in devicetree */ sprintf(cmd, "serial@%x", serial_addr[instance]); @@ -178,7 +178,7 @@ static void setup_boot_mode(void) break; case BOOT_FLASH_SD: case BOOT_FLASH_EMMC: - if (instance > ARRAY_SIZE(sdmmc_addr)) + if (instance >= ARRAY_SIZE(sdmmc_addr)) break; /* search associated sdmmc node in devicetree */ sprintf(cmd, "mmc@%x", sdmmc_addr[instance]); --- base-commit: b99da05e1538b8fa153322da82917af2aa27e1d6 change-id: 20260210-upstream_stm32mp2_cpu_fix-bbbd24ba4f99 Best regards, -- Patrice Chotard <[email protected]>
