tree 94ca16b28d70eb96155974909560cced8a3cf383
parent 6bf8d889ed453f709dedacabdcf5db47470fdae9
author Peter Williams <pwil3058@bigpond.net.au> 1138964673 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1138984328 -0800

[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>