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ip2: return -EFAULT on copy_to_user errors
authorDan Carpenter <error27@gmail.com>
Thu, 12 Aug 2010 20:48:59 +0000 (13:48 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 24 Aug 2010 01:17:21 +0000 (18:17 -0700)
copy_to_user() returns the number of bytes remaining but we want to return
a negative error code on errors.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: "Michael H. Warfield" <mhw@wittsend.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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