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authorNeilBrown <neilb@suse.de>2007-05-09 02:34:52 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 12:30:54 -0700
commit402acd29e552cb80109d1d5c0ada53f634465d87 (patch)
tree12c86f3421d3d8679401742e1bc6569c75908ee3 /fs
parent5bd5f5812bfa753218e02cb773e06ede48055798 (diff)
downloadlinux-402acd29e552cb80109d1d5c0ada53f634465d87.tar.bz2
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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/export.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 6f24768272a1..79bd03b8bbf8 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -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)