in kernel 2.6.32.30 fixes a regression introduced by commit 3c726023402a2f3b28f49b9d90ebf9e71151157d. However, this commit hasn't been backported to the 2.6.32 kernel.
So, rather an fixing a regression, it introduces one and this patch should be reverted.
Neil Brown reported[1] in the stable mailing list that
commit 63d059e73ff4574 b79bd8aa252b5fc 00b6326ddf
Author: NeilBrown <email address hidden>
Date: Wed Feb 16 13:08:35 2011 +1100
nfsd: correctly handle return value from nfsd_map_name_to_*
commit 47c85291d3dd1a5 1501555000b90f8 e281a0458e upstream.
in kernel 2.6.32.30 fixes a regression introduced by commit 3c726023402a2f3 b28f49b9d90ebf9 e71151157d. However, this commit hasn't been backported to the 2.6.32 kernel.
So, rather an fixing a regression, it introduces one and this patch should be reverted.
For more details, see https:/ /bugzilla. novell. com/show_ bug.cgi? id=893787
[1] http:// www.spinics. net/lists/ linux-nfs/ msg46403. html