Messages in this thread | | | Date | Sun, 10 Sep 2023 14:23:54 +0100 | From | Jonathan Cameron <> | Subject | Re: [PATCH AUTOSEL 4.14 06/12] iio: core: Use min() instead of min_t() to make code more robust |
| |
On Fri, 8 Sep 2023 20:41:09 -0400 Sasha Levin <sashal@kernel.org> wrote:
> From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > > [ Upstream commit cb1d17535061ca295903f97f5cb0af9db719c02c ] > > min() has strict type checking and preferred over min_t() for > unsigned types to avoid overflow. Here it's unclear why min_t() > was chosen since both variables are of the same type. In any > case update to use min(). > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > Reviewed-by: Nuno Sa <nuno.sa@analog.com> > Link: https://lore.kernel.org/r/20230721170022.3461-5-andriy.shevchenko@linux.intel.com > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > Signed-off-by: Sasha Levin <sashal@kernel.org>
Whilst this was a good cleanup set from Andy, I don't think there was any suggestion that it actually fixed any bugs?
As such I'd consider these (harmless) noise for stable.
Jonathan
> --- > drivers/iio/industrialio-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index 97b7266ee0ffa..12d73ebcadfa3 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -328,7 +328,7 @@ static ssize_t iio_debugfs_write_reg(struct file *file, > char buf[80]; > int ret; > > - count = min_t(size_t, count, (sizeof(buf)-1)); > + count = min(count, sizeof(buf) - 1); > if (copy_from_user(buf, userbuf, count)) > return -EFAULT; >
| |