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From: Sergei Shtylyov <sshtylyov@mvista.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V2 1/2] net/eth.c: throw BUG for eth_get_dev_by_name(NULL)
Date: Mon, 22 Aug 2011 14:05:23 +0400	[thread overview]
Message-ID: <4E5229E3.6020704@mvista.com> (raw)
In-Reply-To: <1314002733-17408-1-git-send-email-helmut.raiger@hale.at>

Hello.

On 22-08-2011 12:45, Helmut Raiger wrote:

> eth_get_dev_by_name() is not safe to use for devname being NULL
> as it uses strcmp. This patch makes it fail with a BUG().

> Signed-off-by: Helmut Raiger<helmut.raiger@hale.at>
> ---
> V2: use BUG_ON() instead of gracefully returning 0

>   net/eth.c |    2 ++
>   1 files changed, 2 insertions(+), 0 deletions(-)

> diff --git a/net/eth.c b/net/eth.c
> index 6523834..25c147c 100644
> --- a/net/eth.c
> +++ b/net/eth.c
> @@ -107,6 +107,8 @@ struct eth_device *eth_get_dev_by_name(const char *devname)
>   {
>   	struct eth_device *dev, *target_dev;
>
> +	BUG_ON(devname == 0);

    Do not use 0 instead of NULL.

WBR, Sergei

  reply	other threads:[~2011-08-22 10:05 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-20  6:10 [U-Boot] [U-Boot PATCH MX31:] smc911x MII made available Helmut.Raiger at hale.at
2011-06-20 12:30 ` Stefano Babic
2011-06-20 14:36   ` Helmut Raiger
2011-06-27  7:22   ` [U-Boot] [PATCH] " helmut.raiger at hale.at
2011-06-27 19:29     ` Mike Frysinger
2011-06-29 10:12       ` helmut.raiger at hale.at
2011-06-30 13:57         ` Luca Ceresoli
2011-06-30 14:02           ` [U-Boot] [PATCH RFC] smc911x: enable mii commands Luca Ceresoli
2011-07-04  9:41             ` Helmut Raiger
2011-07-04 10:29               ` [U-Boot] [PATCH 1/2] net/eth.c: make eth_get_dev_by_name(NULL) safe helmut.raiger at hale.at
2011-07-04 10:29                 ` [U-Boot] [PATCH 2/2] smc911x MII made available helmut.raiger at hale.at
2011-09-07 12:33                   ` [U-Boot] [U-Boot,2/2] " Stefano Babic
2011-09-07 13:06                     ` Helmut Raiger
2011-09-07 13:12                       ` Stefano Babic
2011-09-07 21:50                   ` [U-Boot] [PATCH 2/2] " Wolfgang Denk
2011-09-08 11:04                   ` [U-Boot] [PATCH] smc911x: Fix build warnings Wolfgang Denk
2011-09-09 21:57                     ` Wolfgang Denk
2011-07-05  3:44                 ` [U-Boot] [PATCH 1/2] net/eth.c: make eth_get_dev_by_name(NULL) safe Mike Frysinger
2011-07-06  7:15                   ` Helmut Raiger
2011-07-06 19:38                     ` Mike Frysinger
2011-07-07  6:12                       ` Helmut Raiger
2011-07-07 10:24                         ` Detlev Zundel
2011-07-07 17:46                         ` Mike Frysinger
2011-07-11  9:53                           ` Helmut Raiger
2011-07-12  6:37                             ` Mike Frysinger
2011-07-12  9:22                               ` Detlev Zundel
2011-07-12 20:49                                 ` Mike Frysinger
2011-07-13 11:34                                   ` Detlev Zundel
2011-07-13  6:32                                 ` Helmut Raiger
2011-07-13 11:46                                   ` Detlev Zundel
2011-07-14  9:14                                     ` Helmut Raiger
2011-07-14 17:58                                       ` Mike Frysinger
2011-08-22  8:45                                     ` [U-Boot] [PATCH V2 1/2] net/eth.c: throw BUG for eth_get_dev_by_name(NULL) Helmut Raiger
2011-08-22 10:05                                       ` Sergei Shtylyov [this message]
2011-08-22 10:17                                         ` [U-Boot] [PATCH " Helmut Raiger
2011-08-22 16:05                                           ` Mike Frysinger
2011-09-08 11:08                                           ` Wolfgang Denk
2011-07-14 18:24                                   ` [U-Boot] [PATCH 1/2] net/eth.c: make eth_get_dev_by_name(NULL) safe Mike Frysinger
2011-07-07 16:46                 ` Albert ARIBAUD
2011-07-11 10:10                   ` Helmut Raiger
2011-07-14 13:53                     ` Albert ARIBAUD
2011-08-31  7:41 ` [U-Boot] Anything missing? Helmut Raiger
2011-08-31  7:45   ` Wolfgang Denk
2011-09-07  5:40 ` [U-Boot] [U-Boot PATCH MX31:] smc911x MII made available, ping? Helmut Raiger
2011-09-07 12:37   ` Stefano Babic
2011-09-07 21:47     ` Wolfgang Denk
2011-09-08  6:13       ` Helmut Raiger

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