On Mon, May 21, 2012 at 9:58 AM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> Hi Michael,
>
> I have a question about e26f2ae4527b: "[media] DVB: add support for the
> LG2160 ATSC-MH demodulator" from Jan 29, 2012.
>
> 122 static int lg216x_write_regs(struct lg216x_state *state,
> 123 struct lg216x_reg *regs, int len)
> 124 {
> 125 int i, ret;
> 126
> 127 lg_reg("writing %d registers...\n", len);
> 128
> 129 for (i = 0; i < len - 1; i++) {
> ^^^^^^^^^^^
> Shouldn't this just be i < len? Why do we skip the last element in the
> array?
>
> 130 ret = lg216x_write_reg(state, regs[i].reg, regs[i].val);
> 131 if (lg_fail(ret))
> 132 return ret;
> 133 }
> 134 return 0;
> 135 }
>
> This function is called like:
> ret = lg216x_write_regs(state, lg2160_init, ARRAY_SIZE(lg2160_init));
>
> The last element of the lg2160_init[] array looks useful.
You're right, Dan - that's a bug -- thanks!
I'll queue up a fix for this.
Best Regards,
Mike Krufky
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