Hi,

some hints about your string handling in this code...

On Mon, May 12, 2014 at 02:24:21PM +0200, Wadim Egorov wrote:
...
> +
> +     devfilecopy = (char *)malloc(strlen(data->devicefile));
> +     if (!devfilecopy) {
> +             pr_err("could not allocate enough memory: %s\n", errno_str());
> +             return errno;
> +     }
> +     strcpy(devfilecopy, data->devicefile);
possible buffer overflow detected. "strlen" returns length of string
excluding of the terminate null byte.

Just use xstrdup here.

- Alex

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