linux-kernel - Re: [PATCH] cif: fix dead code

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Message-ID: <CAH2r5mt2CZi039PMfb52-3yEcny9ZpCVZXaYxWAg=nbNgywL9g@mail.gmail.com>
Date:	Wed, 16 Apr 2014 23:10:03 -0500
From:	Steve French <smfrench@...il.com>
To:	Michael Opdenacker <michael.opdenacker@...e-electrons.com>
Cc:	Steve French <sfrench@...ba.org>,
	"linux-cifs@...r.kernel.org" <linux-cifs@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	samba-technical <samba-technical@...ts.samba.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cif: fix dead code

merged into cifs-2.6.git

On Tue, Apr 15, 2014 at 3:06 AM, Michael Opdenacker
<michael.opdenacker@...e-electrons.com> wrote:
> This issue was found by Coverity (CID 1202536)
>
> This proposes a fix for a statement that creates dead code.
> The "rc < 0" statement is within code that is run
> with "rc > 0".
>
> It seems like "err < 0" was meant to be used here.
> This way, the error code is returned by the function.
>
> Signed-off-by: Michael Opdenacker <michael.opdenacker@...e-electrons.com>
> ---
>  fs/cifs/file.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/cifs/file.c b/fs/cifs/file.c
> index 8add25538a3b..b6e78632fa97 100644
> --- a/fs/cifs/file.c
> +++ b/fs/cifs/file.c
> @@ -2599,7 +2599,7 @@ cifs_writev(struct kiocb *iocb, const struct iovec *iov,
>                         ssize_t err;
>
>                         err = generic_write_sync(file, iocb->ki_pos - rc, rc);
> -                       if (rc < 0)
> +                       if (err < 0)
>                                 rc = err;
>                 }
>         } else {
> --
> 1.8.3.2
>
> --
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-- 
Thanks,

Steve
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