[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope
From: |
Gonglei |
Subject: |
Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope |
Date: |
Thu, 20 Nov 2014 16:05:09 +0800 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 |
On 2014/11/20 15:50, Jason Wang wrote:
>>> Maybe just initialize iov unconditionally at the beginning and check
>>> >> dot1q_buf instead of iov for the rest of the functions. (Need deal with
>>> >> size < ETHER_ADDR_LEN * 2)
>> > More complicated, because we can't initialize iov when
>> > "size < ETHER_ADDR_LEN * 2".
>> >
>> > Best regards,
>> > -Gonglei
>> >
> Probably not: you can just do something like:
>
> if (dot1q_buf && size < ETHER_ADDR_LEN * 2) {
> dot1q_buf = NULL;
> }
>
> and check dot1q_buf afterwards. Or just drop the packet since its size
> was less than mininum frame length that Ethernet allows.
Sorry, I don't understand. But,
what's your meaning "initialize iov unconditionally at the beginning"?
Best regards,
-Gonglei
- Re: [Qemu-devel] [PATCH 3/4] pcnet: fix Negative array index read, (continued)
[Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, arei.gonglei, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Paolo Bonzini, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Jason Wang, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Gonglei, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Jason Wang, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope,
Gonglei <=
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Jason Wang, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Gonglei, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Jason Wang, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Gonglei, 2014/11/20
- Re: [Qemu-devel] [PATCH 4/4] rtl8139: fix Pointer to local outside scope, Paolo Bonzini, 2014/11/20
[Qemu-devel] [PATCH 2/4] net/socket: fix Uninitialized scalar variable, arei.gonglei, 2014/11/20
[Qemu-devel] [PATCH 1/4] net/slirp: fix memory leak, arei.gonglei, 2014/11/20