From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Date: Thu, 29 Dec 2005 16:39:57 +0000 (+0100)
Subject: [PATCH] uml: hostfs - fix possible PAGE_CACHE_SHIFT overflows
X-Git-Tag: v2.6.15~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30f04a4efa73dc80bf3f59f3f19ad5a24ac5ac0a;p=pandora-kernel.git

[PATCH] uml: hostfs - fix possible PAGE_CACHE_SHIFT overflows

Prevent page->index << PAGE_CACHE_SHIFT from overflowing.

There is a casting there, but was added without care, so it's at the wrong
place. Note the extra parens around the shift - "+" is higher precedence than
"<<", leading to a GCC warning which saved all us.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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