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Message-ID: <20230714064741.GA53474@ravnborg.org>
Date: Fri, 14 Jul 2023 08:47:41 +0200
From: Sam Ravnborg <sam@...nborg.org>
To: liubin001@...suo.com
Cc: davem@...emloft.net, sparclinux@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] floppy:ERROR: missing put_device; call
of_find_device_by_node on line 589, but without a corresponding object
release within this function. Add the put_device function before return to
release memory
Hi LiuBin.
On Fri, Jul 14, 2023 at 08:06:55AM +0200, Sam Ravnborg wrote:
> Hi LiuBin
>
> On Fri, Jul 14, 2023 at 12:56:29PM +0800, liubin001@...suo.com wrote:
> > Signed-off-by: LiuBin <liubin001@...suo.com>
> > ---
> > arch/sparc/include/asm/floppy_64.h | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/sparc/include/asm/floppy_64.h
> > b/arch/sparc/include/asm/floppy_64.h
> > index 070c8c1f5c8f..c4c51f494f25 100644
> > --- a/arch/sparc/include/asm/floppy_64.h
> > +++ b/arch/sparc/include/asm/floppy_64.h
> > @@ -588,6 +588,7 @@ static unsigned long __init sun_floppy_init(void)
> >
> > op = of_find_device_by_node(dp);
> > if (!op)
> > + put_device(op);
> > return 0;
>
> This does not look right as the code will always return 0 now,
> independent on the if test. You missed a set of curly braces.
Two more notes.
Please put the description of the fix in the body of the mail.
Right now it is a very long subject - and we try to keep subject shorter
than ~70 chars.
> > Signed-off-by: LiuBin <liubin001@...suo.com>
You are expected to sign-off the patch with you name and not a nickname.
If LiuBin is indeed you name then sorry and ignore this comment.
I look forward to the updated patch.
Sam
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