diff options
Diffstat (limited to 'drivers/bus/imx-weim.c')
| -rw-r--r-- | drivers/bus/imx-weim.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c index 3d56ebcda720..6a94aa6a22c2 100644 --- a/drivers/bus/imx-weim.c +++ b/drivers/bus/imx-weim.c @@ -45,6 +45,8 @@ static const struct imx_weim_devtype imx51_weim_devtype = { .cs_stride = 0x18, }; +#define MAX_CS_REGS_COUNT 6 + static const struct of_device_id weim_id_table[] = { /* i.MX1/21 */ { .compatible = "fsl,imx1-weim", .data = &imx1_weim_devtype, }, @@ -112,9 +114,12 @@ err: static int __init weim_timing_setup(struct device_node *np, void __iomem *base, const struct imx_weim_devtype *devtype) { - u32 cs_idx, value[devtype->cs_regs_count]; + u32 cs_idx, value[MAX_CS_REGS_COUNT]; int i, ret; + if (WARN_ON(devtype->cs_regs_count > MAX_CS_REGS_COUNT)) + return -EINVAL; + /* get the CS index from this child node's "reg" property. */ ret = of_property_read_u32(np, "reg", &cs_idx); if (ret) |