From: David Miller <davem@davemloft.net>
To: khoroshilov@ispras.ru
Cc: skhare@vmware.com, pv-drivers@vmware.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, ldv-project@linuxtesting.org
Subject: Re: [PATCH v2] vmxnet3: avoid assumption about invalid dma_pa in vmxnet3_set_mc()
Date: Sat, 15 Oct 2016 17:48:25 -0400 (EDT) [thread overview]
Message-ID: <20161015.174825.2149332278069508221.davem@davemloft.net> (raw)
In-Reply-To: <1476478880-22607-1-git-send-email-khoroshilov@ispras.ru>
From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Sat, 15 Oct 2016 00:01:20 +0300
> vmxnet3_set_mc() checks new_table_pa returned by dma_map_single()
> with dma_mapping_error(), but even there it assumes zero is invalid pa
> (it assumes dma_mapping_error(...,0) returns true if new_table is NULL).
>
> The patch adds an explicit variable to track status of new_table_pa.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> v2: use "bool" and "true"/"false" for boolean variables.
> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Applied.
prev parent reply other threads:[~2016-10-15 21:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-08 2:53 [PATCH] vmxnet3: avoid assumption about invalid dma_pa in vmxnet3_set_mc() Alexey Khoroshilov
2016-10-13 13:43 ` David Miller
2016-10-14 21:01 ` [PATCH v2] " Alexey Khoroshilov
2016-10-15 21:48 ` David Miller [this message]
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