From: Patrick McHardy <kaber@trash.net>
Date: Thu, 15 Apr 2010 11:29:28 +0000 (+0200)
Subject: ipv4: ipmr: fix invalid cache resolving when adding a non-matching entry
X-Git-Tag: v2.6.35-rc1~473^2~461^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0ebb739a8f68039f03e80b3476b204fe5adf0d7;p=pandora-kernel.git

ipv4: ipmr: fix invalid cache resolving when adding a non-matching entry

The patch to convert struct mfc_cache to list_heads (ipv4: ipmr: convert
struct mfc_cache to struct list_head) introduced a bug when adding new
cache entries that don't match any unresolved entries.

The unres queue is searched for a matching entry, which is then resolved.
When no matching entry is present, the iterator points to the head of the
list, but is treated as a matching entry. Use a seperate variable to
indicate that a matching entry was found.

Signed-off-by: Patrick McHardy <kaber@trash.net>
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