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SubjectRe: [PATCH] regulator: max8925: fix compiler warnings
On Fri, Nov 23, 2012 at 10:27:12AM +0800, Qing Xu wrote:

> But, in fact, it is not necessary to initialize regulator_idx.

> for (i = 0; i < ARRAY_SIZE(max8925_regulator_info); i++) {
> ri = &max8925_regulator_info[i];
> if (ri->vol_reg == res->start) {

> ****** if regulator_idx can not get a match "i" here, it will return
> -EINVAL in below code

> regulator_idx = i;
> break;
> }
> }

> if (i == ARRAY_SIZE(max8925_regulator_info)) {
> dev_err(&pdev->dev, "Failed to find regulator %llu\n",
> (unsigned long long)res->start);
> return -EINVAL;
> }

> How to solve such compiler warning?

Typically by reporting a compiler bug, though sometimes in the process
of doing that one finds out that there's some non-obvious way in which
the code can break.
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