CVS commit: src/sys

["David A. Holland" <dholland%netbsd.org@localhost>]

Module Name:    src
Committed By:   dholland
Date:           Wed Oct 10 06:55:26 UTC 2012

Modified Files:
        src/sys/kern: vfs_lookup.c
        src/sys/miscfs/genfs: layer_vnops.c

Log Message:
In layer_lookup(), clear *vpp before returning EROFS, as otherwise a
stale value can be returned and this causes a diagnostic panic in
namei.

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 -r1.194 -r1.195 src/sys/kern/vfs_lookup.c
cvs rdiff -u -r1.50 -r1.51 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.