diff options
Diffstat (limited to 'drivers/bus/sunxi-rsb.c')
| -rw-r--r-- | drivers/bus/sunxi-rsb.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index b4f2c64ac181..daf0ea563e47 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -445,6 +445,9 @@ static int regmap_sunxi_rsb_reg_write(void *context, unsigned int reg, struct sunxi_rsb_ctx *ctx = context; struct sunxi_rsb_device *rdev = ctx->rdev; + if (reg > 0xff) + return -EINVAL; + return sunxi_rsb_write(rdev->rsb, rdev->rtaddr, reg, &val, ctx->size); } |