From: Maciej Sosnowski <maciej.sosnowski@intel.com>
Date: Tue, 11 Nov 2008 17:50:07 +0000 (+0000)
Subject: I/OAT: fix dma_pin_iovec_pages() error handling
X-Git-Tag: v2.6.27.6~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33cfbb0629d7e08875f23ceeff21c4067a0937e5;p=pandora-kernel.git

I/OAT: fix dma_pin_iovec_pages() error handling

commit c2c0b4c5434c0a25f7f7796b29155d53805909f5 upstream

Error handling needs to be modified in dma_pin_iovec_pages().
It should return NULL instead of ERR_PTR
(pinned_list is checked for NULL in tcp_recvmsg() to determine
if iovec pages have been successfully pinned down).
In case of error for the first iovec,
local_list->nr_iovecs needs to be initialized.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

Reading git-diff-tree failed