From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Colin King <colin.king@canonical.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Felipe Balbi <balbi@ti.com>, Sudeep Holla <sudeep.holla@arm.com>,
linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH][V2] usb: isp1760: fix null dereference if kzalloc returns null
Date: Mon, 01 Jun 2015 16:51:30 +0300 [thread overview]
Message-ID: <556C6362.1010700@cogentembedded.com> (raw)
In-Reply-To: <1433112223-4651-1-git-send-email-colin.king@canonical.com>
Hello.
On 6/1/2015 1:43 AM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> If kzalloc returns null then isp1760_ep_alloc_request performs
> a null pointer dereference on req. Check for null to avoid this.
I told you there's no dereference and yet you're repeating it again. :-(
> Detected with smatch static analysis:
> drivers/usb/isp1760/isp1760-udc.c:816 isp1760_ep_alloc_request()
> error: potential null dereference 'req'. (kzalloc returns null)
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
WBR, Sergei
next prev parent reply other threads:[~2015-06-01 13:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-31 22:43 [PATCH][V2] usb: isp1760: fix null dereference if kzalloc returns null Colin King
2015-06-01 13:51 ` Sergei Shtylyov [this message]
2015-06-02 15:41 ` Laurent Pinchart
2015-06-02 17:57 ` Sergei Shtylyov
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