From: Fabio Estevam <festevam@gmail.com>
To: Lucas Stach <dev@lynxeye.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 5/5] video: imx-ipu-v3: fix possible NULL ptr dereference
Date: Mon, 21 Apr 2014 17:43:46 -0300 [thread overview]
Message-ID: <CAOMZO5Aka_=iyA=qUf+_1s9dyxpNpf6DxwWPq=62hZBxsKLkKQ@mail.gmail.com> (raw)
In-Reply-To: <1398111326-21783-5-git-send-email-dev@lynxeye.de>
On Mon, Apr 21, 2014 at 5:15 PM, Lucas Stach <dev@lynxeye.de> wrote:
> Signed-off-by: Lucas Stach <dev@lynxeye.de>
> ---
> drivers/video/imx-ipu-v3/ipu-dmfc.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/imx-ipu-v3/ipu-dmfc.c b/drivers/video/imx-ipu-v3/ipu-dmfc.c
> index 7b54e25001c6..61704f4a9c06 100644
> --- a/drivers/video/imx-ipu-v3/ipu-dmfc.c
> +++ b/drivers/video/imx-ipu-v3/ipu-dmfc.c
> @@ -146,16 +146,18 @@ EXPORT_SYMBOL_GPL(ipu_dmfc_disable_channel);
> static int ipu_dmfc_setup_channel(struct dmfc_channel *dmfc, int slots,
> int segment, int burstsize)
> {
> - struct ipu_dmfc_priv *priv = dmfc->priv;
> + struct ipu_dmfc_priv *priv;
> u32 val, field;
>
> + if (!dmfc)
> + return -EINVAL;
Would be better to fix it in the same way we did in the kernel:
http://www.spinics.net/lists/linux-driver-devel/msg45096.html
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next prev parent reply other threads:[~2014-04-21 20:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-21 20:15 [PATCH 1/5] treewide: fix signedness mixups in printf format specifiers Lucas Stach
2014-04-21 20:15 ` [PATCH 2/5] ARM: at91: add missing break Lucas Stach
2014-04-22 1:14 ` Bo Shen
2014-04-21 20:15 ` [PATCH 3/5] imx-image: don't leak file handle Lucas Stach
2014-04-21 20:15 ` [PATCH 4/5] video: displaytimings: remove two broken error messages Lucas Stach
2014-04-21 20:15 ` [PATCH 5/5] video: imx-ipu-v3: fix possible NULL ptr dereference Lucas Stach
2014-04-21 20:43 ` Fabio Estevam [this message]
2014-04-23 7:20 ` Sascha Hauer
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