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From: Richard Henderson <richard.henderson@linaro.org>
To: Eric Blake <eblake@redhat.com>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, vsementsov@virtuozzo.com,
	"open list:Network Block Dev..." <qemu-block@nongnu.org>
Subject: Re: [PATCH for-5.2?] nbd: Silence Coverity false positive
Date: Thu, 12 Nov 2020 13:04:37 -0800	[thread overview]
Message-ID: <da36e556-bc7e-70f3-73c8-3dc0ea7c48e4@linaro.org> (raw)
In-Reply-To: <20201111163510.713855-1-eblake@redhat.com>

On 11/11/20 8:35 AM, Eric Blake wrote:
> -    if (!full) {
> -        /* last non dirty extent */
> -        nbd_extent_array_add(es, end - start, 0);
> +    if (!full && nbd_extent_array_add(es, end - start, 0) < 0) {
> +        /* last non dirty extent, nothing to do if array was already full */
>      }

Casting to (void) is another way to get rid of the warning.

I dunno which makes more sense here.  Definitely the comment is helpful.

r~


  reply	other threads:[~2020-11-12 21:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-11 16:35 [PATCH for-5.2?] nbd: Silence Coverity false positive Eric Blake
2020-11-12 21:04 ` Richard Henderson [this message]
2020-11-12 21:09   ` Eric Blake
2020-11-12 21:18     ` Richard Henderson

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