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knfsd: avoid use of unitialised variables on error path when nfs exports

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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 <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
NeilBrown 2007-05-09 02:34:52 -07:00 • committed by Linus Torvalds
commit 402acd29e5
1 changed files with 7 additions and 7 deletions
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14
fs/nfsd/export.c
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@ -469,6 +469,13 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
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_detail *cd, char *mesg, int mlen)
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)