From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 13 Feb 2012 01:56:29 +0000 (-0500)
Subject: vfs: fix compat_sys_stat() handling of overflows in st_nlink
X-Git-Tag: v3.3-rc5~30^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcf83067bf6eb101a35620d752bd559d473cfbaa;p=pandora-kernel.git

vfs: fix compat_sys_stat() handling of overflows in st_nlink

Massaged cp_compat_stat() into form closer to cp_new_stat(); the only
real issue had been in handling of st_nlink overflows - native 32bit
stat(2) returns -EOVERFLOW in such situations, compat one silently
loses upper bits.

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