mqueue: only set error codes if they are really necessary
authorAndré Goddard Rosa <andre.goddard@gmail.com>
Tue, 23 Feb 2010 07:04:26 +0000 (04:04 -0300)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 3 Mar 2010 19:48:00 +0000 (14:48 -0500)
... postponing assignments until they're needed. Doesn't change code size.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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