On Sat, Apr 03, 2010 at 10:47:17PM +0200, Joerg Roedel wrote:
> On Fri, Apr 02, 2010 at 02:28:43PM +0300, Dan Carpenter wrote:
> > We need to reserve the last character for the NULL terminator.
>
> The character is already reserved by the user-to-kernel copy earlier in
> the function.
>
> Joerg
>
Yes, but the original code requires more code reading to audit. Let's
change the commit message to say that it's a clean up patch.
regards,
dan carpenter
> >
> > Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
> >
> > diff --git a/lib/dma-debug.c b/lib/dma-debug.c
> > index ba8b670..01e6427 100644
> > --- a/lib/dma-debug.c
> > +++ b/lib/dma-debug.c
> > @@ -570,7 +570,7 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf,
> > * Now parse out the first token and use it as the name for the
> > * driver to filter for.
> > */
> > - for (i = 0; i < NAME_MAX_LEN; ++i) {
> > + for (i = 0; i < NAME_MAX_LEN - 1; ++i) {
> > current_driver_name[i] = buf[i];
> > if (isspace(buf[i]) || buf[i] == ' ' || buf[i] == 0)
> > break;
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
