From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Feb 2014 12:05:05 +0000 (-0500)
Subject: fix a kmap leak in virtio_console
X-Git-Tag: v3.14-rc2~2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9efe51165fa0aff57be54e3cb0201ac87f68980;p=pandora-kernel.git

fix a kmap leak in virtio_console

While we are at it, don't do kmap() under kmap_atomic(), *especially*
for a page we'd allocated with GFP_KERNEL.  It's spelled "page_address",
and had that been more than that, we'd have a real trouble - kmap_high()
can block, and doing that while holding kmap_atomic() is a Bad Idea(tm).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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