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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Lauro Ramos Venancio <lauro.venancio@openbossa.org>,
	kernel-janitors@vger.kernel.org,
	Aloisio Almeida Jr <aloisio.almeida@openbossa.org>,
	Samuel Ortiz <sameo@linux.intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] NFC: delete null dereference
Date: Mon, 19 Oct 2015 12:57:50 +0000	[thread overview]
Message-ID: <20151019125750.GG7340@mwanda> (raw)
In-Reply-To: <1445074340-21955-2-git-send-email-Julia.Lawall@lip6.fr>

The next goto after that is messed up as well:

  1056          dev = nfc_get_device(idx);
  1057          if (!dev)
  1058                  return -ENODEV;
  1059  
  1060          device_lock(&dev->dev);
  1061  
  1062          local = nfc_llcp_find_local(dev);
  1063          if (!local) {
  1064                  nfc_put_device(dev);

It should not call nfc_put_device() because that happens after goto
exit.

  1065                  rc = -ENODEV;
  1066                  goto exit;
  1067          }

regards,
dan carpenter

WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Lauro Ramos Venancio <lauro.venancio@openbossa.org>,
	kernel-janitors@vger.kernel.org,
	Aloisio Almeida Jr <aloisio.almeida@openbossa.org>,
	Samuel Ortiz <sameo@linux.intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] NFC: delete null dereference
Date: Mon, 19 Oct 2015 15:57:50 +0300	[thread overview]
Message-ID: <20151019125750.GG7340@mwanda> (raw)
In-Reply-To: <1445074340-21955-2-git-send-email-Julia.Lawall@lip6.fr>

The next goto after that is messed up as well:

  1056          dev = nfc_get_device(idx);
  1057          if (!dev)
  1058                  return -ENODEV;
  1059  
  1060          device_lock(&dev->dev);
  1061  
  1062          local = nfc_llcp_find_local(dev);
  1063          if (!local) {
  1064                  nfc_put_device(dev);

It should not call nfc_put_device() because that happens after goto
exit.

  1065                  rc = -ENODEV;
  1066                  goto exit;
  1067          }

regards,
dan carpenter

  reply	other threads:[~2015-10-19 12:57 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-17  9:32 [PATCH 0/2] delete null dereference Julia Lawall
2015-10-17  9:32 ` Julia Lawall
2015-10-17  9:32 ` [PATCH 1/2] NFC: " Julia Lawall
2015-10-17  9:32   ` Julia Lawall
2015-10-19 12:57   ` Dan Carpenter [this message]
2015-10-19 12:57     ` Dan Carpenter
2015-10-20  4:50   ` Samuel Ortiz
2015-10-20  4:50     ` Samuel Ortiz
2015-10-17  9:32 ` [PATCH 2/2] [media] netup_unidvb: " Julia Lawall
2015-10-17  9:32   ` Julia Lawall

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