From: Jens Axboe <axboe@suse.de>
Date: Fri, 16 Jun 2006 11:02:29 +0000 (+0200)
Subject: [PATCH] Fix missing ret assignment in __bio_map_user() error path
X-Git-Tag: v2.6.17~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=991721572ef2140c6411894aebefd3377e71a9e7;p=pandora-kernel.git

[PATCH] Fix missing ret assignment in __bio_map_user() error path

If get_user_pages() returns less pages than what we asked for, we jump
to out_unmap which will return ERR_PTR(ret).  But ret can contain a
positive number just smaller than local_nr_pages, so be sure to set it
to -EFAULT always.

Problem found and diagnosed by Damien Le Moal <damien@sdl.hitachi.co.jp>

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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