diff mbox series

media: i2c: ds90ub960: Delete duplicate source code in ub960_parse_dt_rxports()

Message ID 79fa4854-976d-4aad-86ac-c156b0c4937e@web.de
State New
Headers show
Series media: i2c: ds90ub960: Delete duplicate source code in ub960_parse_dt_rxports() | expand

Commit Message

Markus Elfring March 1, 2024, 7:46 a.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 1 Mar 2024 08:23:24 +0100

Avoid the specification of a duplicate fwnode_handle_put() call
in this function implementation.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/media/i2c/ds90ub960.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--
2.44.0

Comments

Dan Carpenter March 2, 2024, 9:13 a.m. UTC | #1
On Fri, Mar 01, 2024 at 07:36:17PM +0200, Andy Shevchenko wrote:
> On Fri, Mar 01, 2024 at 09:02:41AM +0000, Sakari Ailus wrote:
> > On Fri, Mar 01, 2024 at 10:49:19AM +0200, Tomi Valkeinen wrote:
> > > On 01/03/2024 10:46, Sakari Ailus wrote:
> > > > On Fri, Mar 01, 2024 at 08:46:25AM +0100, Markus Elfring wrote:
> > > > > From: Markus Elfring <elfring@users.sourceforge.net>
> > > > > Date: Fri, 1 Mar 2024 08:23:24 +0100
> > > > > 
> > > > > Avoid the specification of a duplicate fwnode_handle_put() call
> > > > > in this function implementation.
> > > > > 
> > > > > Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> > > > > ---
> > > > >   drivers/media/i2c/ds90ub960.c | 5 +----
> > > > >   1 file changed, 1 insertion(+), 4 deletions(-)
> > > > > 
> > > > > diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
> > > > > index ffe5f25f8647..eb708ed7b56e 100644
> > > > > --- a/drivers/media/i2c/ds90ub960.c
> > > > > +++ b/drivers/media/i2c/ds90ub960.c
> > > > > @@ -3486,10 +3486,7 @@ static int ub960_parse_dt_rxports(struct ub960_data *priv)
> > > > >   		}
> > > > >   	}
> > > > > 
> > > > > -	fwnode_handle_put(links_fwnode);
> > > > > -
> > > > > -	return 0;
> > > > > -
> > > > > +	ret = 0;
> > > > 
> > > > I think it'd be nicer to initialise ret as zero, then you can just drop the
> > > > assignment above.
> 
> I think tearing apart the assignment and its actual user is not good.
> 
> > > I don't like successful execution entering error paths. That's why there's
> > > the return 0.
> > 
> > It could be called a common cleanup path as what you really want to do here
> > is to put the fwnode handle, independently of whether there was an error.
> > I think the current code is of course fine, too.
> > 
> > Soon you can do
> > 
> > 	struct fwnode_handle *links_fwnode __free(fwnode_handle);
> > 
> > and forget about putting it (but you must need putting it).
> 
> Let's wait for the Jonathan's patches to land (v6.9-rc1 I hope) and then
> we may modify drivers if needed.

The __free(fwnode_handle) stuff has already been merged.

We could do some additional work to make a _scoped() macro for
fwnode_handles but here it's function wide so we already have what we
need.

regards,
dan carpenter
Markus Elfring March 2, 2024, 11:25 a.m. UTC | #2
> The __free(fwnode_handle) stuff has already been merged.

Would you like to point a corresponding commit out?

Regards,
Markus
diff mbox series

Patch

diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
index ffe5f25f8647..eb708ed7b56e 100644
--- a/drivers/media/i2c/ds90ub960.c
+++ b/drivers/media/i2c/ds90ub960.c
@@ -3486,10 +3486,7 @@  static int ub960_parse_dt_rxports(struct ub960_data *priv)
 		}
 	}

-	fwnode_handle_put(links_fwnode);
-
-	return 0;
-
+	ret = 0;
 err_put_links:
 	fwnode_handle_put(links_fwnode);