summaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4xdr.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index dddfb57..ba952bd 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4838,17 +4838,19 @@ static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res)
struct nfs4_secinfo_flavor *sec_flavor;
int status;
__be32 *p;
- int i;
+ int i, num_flavors;
status = decode_op_hdr(xdr, OP_SECINFO);
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
- res->flavors->num_flavors = be32_to_cpup(p);
- for (i = 0; i < res->flavors->num_flavors; i++) {
+ res->flavors->num_flavors = 0;
+ num_flavors = be32_to_cpup(p);
+
+ for (i = 0; i < num_flavors; i++) {
sec_flavor = &res->flavors->flavors[i];
- if ((char *)&sec_flavor[1] - (char *)res > PAGE_SIZE)
+ if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE)
break;
p = xdr_inline_decode(xdr, 4);
@@ -4860,6 +4862,7 @@ static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res)
if (decode_secinfo_gss(xdr, sec_flavor))
break;
}
+ res->flavors->num_flavors++;
}
return 0;
OpenPOWER on IntegriCloud