From: Roland Dreier Date: Mon, 25 Feb 2013 17:42:15 +0000 (-0800) Subject: IPoIB: Free ipoib neigh on path record failure so path rec queries are retried X-Git-Tag: v3.9-rc1~72^2^3 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f72dd56690aba26fc87fc64e98dd4cc66f27122c;p=pandora-kernel.git IPoIB: Free ipoib neigh on path record failure so path rec queries are retried If IPoIB fails to look up a path record (eg if it tries during an SM failover when one SM is dead but the new one hasn't taken over yet), the driver ends up with a neighbour structure but no address handle (AH). There's no mechanism to recover from this: any further packets sent to this destination will be silently dumped in ipoib_start_xmit(). Fix this by freeing the neighbour structures when a path rec query fails, so that the next packet queued to be sent will trigger a new path record query. Signed-off-by: Roland Dreier --- Reading git-diff-tree failed