diff options
| -rw-r--r-- | arch/arm/plat-orion/mpp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/plat-orion/mpp.c b/arch/arm/plat-orion/mpp.c index 5b4ff9373c89..8a6880d528b6 100644 --- a/arch/arm/plat-orion/mpp.c +++ b/arch/arm/plat-orion/mpp.c @@ -28,10 +28,15 @@ void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask, unsigned int mpp_max, void __iomem *dev_bus) { unsigned int mpp_nr_regs = (1 + mpp_max/8); - u32 mpp_ctrl[mpp_nr_regs]; + u32 mpp_ctrl[8]; int i; printk(KERN_DEBUG "initial MPP regs:"); + if (mpp_nr_regs > ARRAY_SIZE(mpp_ctrl)) { + printk(KERN_ERR "orion_mpp_conf: invalid mpp_max\n"); + return; + } + for (i = 0; i < mpp_nr_regs; i++) { mpp_ctrl[i] = readl(mpp_ctrl_addr(i, dev_bus)); printk(" %08x", mpp_ctrl[i]); |