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Date:   Thu, 30 May 2019 14:04:02 +0200
From:   David Sterba <dsterba@suse.cz>
To:     Qu Wenruo <wqu@suse.com>
Cc:     linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] btrfs: trim: Check the range passed into to prevent
 overflow
Message-ID: <20190530120402.GD15290@twin.jikos.cz>
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On Tue, May 28, 2019 at 04:21:54PM +0800, Qu Wenruo wrote:
> Normally the range->len is set to default value (U64_MAX), but when it's
> not default value, we should check if the range overflows.
> 
> And if overflows, return -EINVAL before doing anything.
> 
> Signed-off-by: Qu Wenruo <wqu@suse.com>

The range support of TRIM will be reverted so this patch won't be
needed.