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Subject[PATCH 001 of 8] knfsd: Avoid use of unitialised variables on error path when nfs exports.

We need to zero various parts of 'exp' before any 'goto out', otherwise
when we go to free the contents... we die.

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: stable@kernel.org

### Diffstat output
./fs/nfsd/export.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff .prev/fs/nfsd/export.c ./fs/nfsd/export.c
--- .prev/fs/nfsd/export.c 2007-05-07 10:30:16.000000000 +1000
+++ ./fs/nfsd/export.c 2007-05-07 10:30:28.000000000 +1000
@@ -469,6 +469,13 @@ static int svc_export_parse(struct cache
nd.dentry = NULL;
exp.ex_path = NULL;

+ /* fs locations */
+ exp.ex_fslocs.locations = NULL;
+ exp.ex_fslocs.locations_count = 0;
+ exp.ex_fslocs.migrated = 0;
+
+ exp.ex_uuid = NULL;
+
if (mesg[mlen-1] != '\n')
return -EINVAL;
mesg[mlen-1] = 0;
@@ -509,13 +516,6 @@ static int svc_export_parse(struct cache
if (exp.h.expiry_time == 0)
goto out;

- /* fs locations */
- exp.ex_fslocs.locations = NULL;
- exp.ex_fslocs.locations_count = 0;
- exp.ex_fslocs.migrated = 0;
-
- exp.ex_uuid = NULL;
-
/* flags */
err = get_int(&mesg, &an_int);
if (err == -ENOENT)
-
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