From: J. Bruce Fields <[email protected]>
The wrong pointer is being kfree'd in savemem() when defer_free
returns with an error.
Signed-off-by: Benny Halevy <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
Signed-off-by: Neil Brown <[email protected]>
### Diffstat output
./fs/nfsd/nfs4xdr.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff .prev/fs/nfsd/nfs4xdr.c ./fs/nfsd/nfs4xdr.c
--- .prev/fs/nfsd/nfs4xdr.c 2007-02-13 10:23:49.000000000 +1100
+++ ./fs/nfsd/nfs4xdr.c 2007-02-13 10:36:40.000000000 +1100
@@ -199,18 +199,16 @@ defer_free(struct nfsd4_compoundargs *ar
static char *savemem(struct nfsd4_compoundargs *argp, __be32 *p, int nbytes)
{
- void *new = NULL;
if (p == argp->tmp) {
- new = kmalloc(nbytes, GFP_KERNEL);
- if (!new) return NULL;
- p = new;
+ p = kmalloc(nbytes, GFP_KERNEL);
+ if (!p) return NULL;
memcpy(p, argp->tmp, nbytes);
} else {
BUG_ON(p != argp->tmpp);
argp->tmpp = NULL;
}
if (defer_free(argp, kfree, p)) {
- kfree(new);
+ kfree(p);
return NULL;
} else
return (char *)p;
-
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