From: Alex Elder <elder@dreamhost.com>
Date: Tue, 24 Jan 2012 16:08:36 +0000 (-0600)
Subject: rbd: make ceph_parse_options() return a pointer
X-Git-Tag: v3.4-rc1~76^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee57741c5209154b8ef124bcaa2496da1b69a988;p=pandora-kernel.git

rbd: make ceph_parse_options() return a pointer

ceph_parse_options() takes the address of a pointer as an argument
and uses it to return the address of an allocated structure if
successful.  With this interface is not evident at call sites that
the pointer is always initialized.  Change the interface to return
the address instead (or a pointer-coded error code) to make the
validity of the returned pointer obvious.

Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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