Re: [PATCH] staging: gs_fpgaboot: remove redundant code
On Thu, May 28, 2015 at 01:08:36PM +0300, Dan Carpenter wrote:
> On Thu, May 28, 2015 at 09:38:23AM +, Gujulan Elango, Hari Prasath (H.)
> wrote:
> > remove redundant code in this function by introducing a new retval
> > variable.
> >
> > Signed-off-by: Gujulan Elango Hari Prasath
>
> No the original code is quite bad but this patch makes it worse.
Please elaborate what was 'quite bad' in the original code?
Regards,
ISS
>
> gs_release_image() can't fail, and it should be a void function.
>
> > ---
> > drivers/staging/gs_fpgaboot/gs_fpgaboot.c | 18 --
> > 1 file changed, 8 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> > b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> > index a3a10f9..cc0445c 100644
> > --- a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> > +++ b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c
> > @@ -290,6 +290,7 @@ static int gs_fpgaboot(void)
> > {
> > int err;
> > struct fpgaimage*fimage;
> > + int retval = 0;
> >
> > fimage = kmalloc(sizeof(struct fpgaimage), GFP_KERNEL);
> > if (!fimage)
> > @@ -298,44 +299,41 @@ static int gs_fpgaboot(void)
> > err = gs_load_image(fimage, file);
> > if (err) {
>
> goto free_fimage;
>
> > pr_err("gs_load_image error\n");
> > + retval = -1;
> > goto err_out1;
> > }
> >
> > err = gs_read_image(fimage);
> > if (err) {
>
>
> goto release_image;
>
> > pr_err("gs_read_image error\n");
> > + retval = -1;
> > goto err_out2;
> > }
> >
> > err = gs_set_download_method(fimage);
> > if (err) {
>
> goto release_image;
>
> > pr_err("gs_set_download_method error\n");
> > + retval = -1;
> > goto err_out2;
> > }
> >
> > err = gs_download_image(fimage, bus_2byte);
>
>
> release_image:
> gs_release_image(fimage);
> free_fimage:
> kfree(fimage);
>
> return err;
>
> regards,
> dan carpenter
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Re: [PATCH] staging: gs_fpgaboot: remove redundant code
On Thu, May 28, 2015 at 09:50:23PM +0300, Dan Carpenter wrote: > On Thu, May 28, 2015 at 09:39:14AM -0700, [email protected] wrote: > > On Thu, May 28, 2015 at 01:08:36PM +0300, Dan Carpenter wrote: > > > On Thu, May 28, 2015 at 09:38:23AM +, Gujulan Elango, Hari Prasath > > > (H.) wrote: > > > > remove redundant code in this function by introducing a new retval > > > > variable. > > > > > > > > Signed-off-by: Gujulan Elango Hari Prasath > > > > > > No the original code is quite bad but this patch makes it worse. > > > > Please elaborate what was 'quite bad' in the original code? > > GW-BASIC labels. what do you mean? > return -1 instead of proper error codes. Okay, > poorly thought out error messages. which one are you exactly refering? I went through all error messages, but cannot find which one(s) you exactly mean. > The error handling of gs_release_image() was silly. I would say, ""The error handling of gs_release_image() was "unnecessary""" instead. So your feedback is mostly on error code and error messages Thank you for your feedback. Regards, ISS ___ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
Re: [PATCHv3] staging: gs_fpgaboot: remove redundant code
On Thu, May 28, 2015 at 03:43:42PM +0300, Dan Carpenter wrote: > On Thu, May 28, 2015 at 12:08:56PM +, Gujulan Elango, Hari Prasath (H.) > wrote: > > remove redundant code in this function.remove return value check for > > function that always return success > > > > Signed-off-by: Gujulan Elango Hari Prasath > > Looks good. Thanks! > > regards, > dan carpenter > Reviewed-by: Insop Song Looks good to me. Thank you. ISS ___ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
