From: Peter Williams <pwil3058@bigpond.net.au>
Date: Fri, 3 Feb 2006 11:04:33 +0000 (-0800)
Subject: [PATCH] lib: Fix bug in int_sqrt() for 64 bit longs
X-Git-Tag: v2.6.16-rc3~240
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0c00257d63463fa9d692e632fae037d6c0e67b0;p=pandora-kernel.git

[PATCH] lib: Fix bug in int_sqrt() for 64 bit longs

The implementation of int_sqrt() assumes that longs have 32 bits.  On
systems that have 64 bit longs this will result in gross errors when the
argument to the function is greater than 2^32 - 1 on such systems.  I doubt
whether any such use is currently made of int_sqrt() but the attached patch
fixes the problem anyway.

Signed-off-by: Peter Williams <pwil3058@bigpond.com.au>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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