From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sat, 15 Sep 2007 12:50:25 +0000 (+0200)
Subject: ieee1394: csr1212: proper refcounting
X-Git-Tag: v2.6.24-rc1~825^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17a19b795e9187d65b6e45cb22797725d50f7edb;p=pandora-kernel.git

ieee1394: csr1212: proper refcounting

At least since nodemgr got rid of coarse global locking, accesses to
struct csr1212_keyval's reference counter should be atomic and coupled
with proper barriers.  Also, calls to csr1212_keep_keyval(kv) should
occur before kv is being used.

(We probably should convert refcnt to struct kref, but how to keep
csr1212_destroy_keyval's implementation non-recursively then?)

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

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