From: Graham Gower <graham.gower@gmail.com>
Date: Wed, 27 Oct 2010 22:33:00 +0000 (-0700)
Subject: drivers/char/vt_ioctl.c: fix VT_OPENQRY error value
X-Git-Tag: v2.6.27.57~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a9dd6359be697ed777a645d6ce8719b70cb9dba;p=pandora-kernel.git

drivers/char/vt_ioctl.c: fix VT_OPENQRY error value

commit 1e0ad2881d50becaeea70ec696a80afeadf944d2 upstream.

When all VT's are in use, VT_OPENQRY casts -1 to unsigned char before
returning it to userspace as an int.  VT255 is not the next available
console.

Signed-off-by: Graham Gower <graham.gower@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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