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PR/47040 CVS commit: [netbsd-4-0] src/sys

The following reply was made to PR kern/47040; it has been noted by GNATS.

From: "Jeff Rizzo" <>
Subject: PR/47040 CVS commit: [netbsd-4-0] src/sys
Date: Wed, 14 Nov 2012 20:15:37 +0000

 Module Name:   src
 Committed By:  riz
 Date:          Wed Nov 14 20:15:37 UTC 2012
 Modified Files:
        src/sys/kern [netbsd-4-0]: vfs_lookup.c
        src/sys/miscfs/genfs [netbsd-4-0]: layer_vnops.c
 Log Message:
 Pull up following revision(s) (requested by dholland in ticket #1466):
        sys/kern/vfs_lookup.c: revision 1.195
        sys/miscfs/genfs/layer_vnops.c: revision 1.51
 In layer_lookup(), clear *vpp before returning EROFS, as otherwise a
 stale value can be returned and this causes a diagnostic panic in
 In relookup(), clear *vpp before calling VOP_LOOKUP, as is done in
 lookup_once(), as an additional precautionary measure.
 (in theory both of these fixes are not required together)
 Should fix PR 47040.
 To generate a diff of this commit:
 cvs rdiff -u -r1.72.2.3 -r1. src/sys/kern/vfs_lookup.c
 cvs rdiff -u -r1.28.2.2 -r1. src/sys/miscfs/genfs/layer_vnops.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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