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From: David Howells <dhowells@redhat.com>
To: Colin King <colin.king@canonical.com>
Cc: dhowells@redhat.com, linux-afs@lists.infradead.org,
	kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] afs: remove redundant assignment to variable ret
Date: Sun, 12 May 2019 06:55:26 +0000	[thread overview]
Message-ID: <26748.1557644126@warthog.procyon.org.uk> (raw)
In-Reply-To: <20190511123603.3265-1-colin.king@canonical.com>

Colin King <colin.king@canonical.com> wrote:

> The variable ret is being assigned a value however this is never
> read and later it is being reassigned to a new value. The assignment
> is redundant and hence can be removed.

No.

>  	if (ret = 0) {
>  		ret = acl->size;
>  		if (size > 0) {
> -			ret = -ERANGE;
>  			if (acl->size > size)
>  				return -ERANGE;
>  			memcpy(buffer, acl->data, acl->size);

This is the wrong solution.  acl and key need releasing, so the return should
be a goto.

David

  parent reply	other threads:[~2019-05-12  6:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-20 13:58 [PATCH] afs: remove redundant assignment of dvnode to itself Colin King
2017-11-20 22:20 ` David Howells
2019-05-11 12:36 ` [PATCH] afs: remove redundant assignment to variable ret Colin King
2019-05-11 15:35   ` Joe Perches
2019-05-12  6:56     ` David Howells
2019-05-12  6:55   ` David Howells [this message]
2020-05-27 12:06 ` Colin King
2020-07-22 15:22 ` Colin King

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