Re: [PATCH 10/34] [media] DaVinci-VPBE: Check return value of a setup_if_config() call in vpbe_set_output()

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On 03/11/16 21:54, SF Markus Elfring wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 12 Oct 2016 09:56:56 +0200

* A function was called over the pointer "setup_if_config" in the data
  structure "venc_platform_data". But the return value was not used so far.
  Thus assign it to the local variable "ret" which will be checked with
  the next statement.

  Fixes: 9a7f95ad1c946efdd7a7a72df27db738260a0fd8 ("[media] davinci vpbe: add dm365 VPBE display driver changes")

* Pass a value to this function call without storing it in an intermediate
  variable before.

* Delete the local variable "if_params" which became unnecessary with
  this refactoring.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/media/platform/davinci/vpbe.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
index 19611a2..6e7b0df 100644
--- a/drivers/media/platform/davinci/vpbe.c
+++ b/drivers/media/platform/davinci/vpbe.c
@@ -227,7 +227,6 @@ static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
             vpbe_current_encoder_info(vpbe_dev);
     struct vpbe_config *cfg = vpbe_dev->cfg;
     struct venc_platform_data *venc_device = vpbe_dev->venc_device;
-    u32 if_params;
     int enc_out_index;
     int sd_index;
     int ret = 0;
@@ -257,8 +256,8 @@ static int vpbe_set_output(struct vpbe_device *vpbe_dev, int index)
             goto out;
         }

-        if_params = cfg->outputs[index].if_params;
-        venc_device->setup_if_config(if_params);
+        ret = venc_device->setup_if_config(cfg
+                           ->outputs[index].if_params);

Either keep this as one line

Will you tolerate a line length of 82 characters then?

Yes, if it improves readability, which it does.



or keep the if_params temp variable.

My proposal was to get rid of it.


This odd linebreak is ugly.

I am curious on how the desired changes can be integrated after a couple of update
suggestions were accepted from this patch series.

See my previous reply to 17/34.

Regards,

	Hans
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