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Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_wrap.c')
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_wrap.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 346133e..89d1f3e 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -128,6 +128,7 @@ gss_wrap_kerberos(struct gss_ctx *ctx, int offset,
s32 now;
int headlen;
struct page **tmp_pages;
+ u32 seq_send;
dprintk("RPC: gss_wrap_kerberos\n");
@@ -206,18 +207,20 @@ gss_wrap_kerberos(struct gss_ctx *ctx, int offset,
BUG();
}
+ spin_lock(&krb5_seq_lock);
+ seq_send = kctx->seq_send++;
+ spin_unlock(&krb5_seq_lock);
+
/* XXX would probably be more efficient to compute checksum
* and encrypt at the same time: */
if ((krb5_make_seq_num(kctx->seq, kctx->initiate ? 0 : 0xff,
- kctx->seq_send, krb5_hdr + 16, krb5_hdr + 8)))
+ seq_send, krb5_hdr + 16, krb5_hdr + 8)))
goto out_err;
if (gss_encrypt_xdr_buf(kctx->enc, buf, offset + headlen - blocksize,
pages))
goto out_err;
- kctx->seq_send++;
-
return ((kctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE);
out_err:
return GSS_S_FAILURE;