On Wed, Jun 12, 2024 at 08:43:54AM +0800, Jacky Huang wrote:
> Dear Greg,
>
>
> On 2024/6/11 下午 07:11, Greg KH wrote:
> > On Tue, Jun 11, 2024 at 09:22:51AM +0000, Jacky Huang wrote:
> > > From: Jacky Huang <ychuang3@xxxxxxxxxxx>
> > >
> > > The pdev->dev.of_node can be NULL if the "serial" node is absent.
> > > Add a NULL check to return an error in such cases.
> > >
> > > Signed-off-by: Jacky Huang <ychuang3@xxxxxxxxxxx>
> > > ---
> > > drivers/tty/serial/ma35d1_serial.c | 13 +++++++------
> > > 1 file changed, 7 insertions(+), 6 deletions(-)
> > >
> > > diff --git a/drivers/tty/serial/ma35d1_serial.c b/drivers/tty/serial/ma35d1_serial.c
> > > index 19f0a305cc43..3b4206e815fe 100644
> > > --- a/drivers/tty/serial/ma35d1_serial.c
> > > +++ b/drivers/tty/serial/ma35d1_serial.c
> > > @@ -688,12 +688,13 @@ static int ma35d1serial_probe(struct platform_device *pdev)
> > > struct uart_ma35d1_port *up;
> > > int ret = 0;
> > > - if (pdev->dev.of_node) {
> > > - ret = of_alias_get_id(pdev->dev.of_node, "serial");
> > > - if (ret < 0) {
> > > - dev_err(&pdev->dev, "failed to get alias/pdev id, errno %d\n", ret);
> > > - return ret;
> > > - }
> > > + if (!pdev->dev.of_node)
> > > + return -ENODEV;
> > > +
> > > + ret = of_alias_get_id(pdev->dev.of_node, "serial");
> > > + if (ret < 0) {
> > > + dev_err(&pdev->dev, "failed to get alias/pdev id, errno %d\n", ret);
> > > + return ret;
> > > }
> > > up = &ma35d1serial_ports[ret];
> > > up->port.line = ret;
> > What commit id does this fix?
> >
> > thanks,
> >
> > greg k-h
>
> This patch fix the in tree ma35d1 serial driver.
> The last commit for ma35d1_serial.c is
> '6b64f8e360c00f180cffa1806095cdd2abc55b16'.
That is obviously not the commit that causes this problem, which is what
I was looking for here. Shouldn't you include a "Fixes:" line if this
is resolving a bug?
thanks,
greg k-h
