SUNRPC: Use atomic(64)_t for seq_send(64)

[linux-2.6-block.git] / net / sunrpc / auth_gss / gss_krb5_mech.c

diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 7bb2514aadd9d888469eef0687097e2f5c2ea1e2..71cb29dc86c283d4227273e7dcc0e374a00bc4a9 100644 (file)
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -275,6 +275,7 @@ out_err:
 static int
 gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx)
 {
+       u32 seq_send;
        int tmp;
 
        p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));
@@ -316,9 +317,10 @@ gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx)
        p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime));
        if (IS_ERR(p))
                goto out_err;
-       p = simple_get_bytes(p, end, &ctx->seq_send, sizeof(ctx->seq_send));
+       p = simple_get_bytes(p, end, &seq_send, sizeof(seq_send));
        if (IS_ERR(p))
                goto out_err;
+       atomic_set(&ctx->seq_send, seq_send);
        p = simple_get_netobj(p, end, &ctx->mech_used);
        if (IS_ERR(p))
                goto out_err;
@@ -610,6 +612,7 @@ static int
 gss_import_v2_context(const void *p, const void *end, struct krb5_ctx *ctx,
                gfp_t gfp_mask)
 {
+       u64 seq_send64;
        int keylen;
 
        p = simple_get_bytes(p, end, &ctx->flags, sizeof(ctx->flags));
@@ -620,14 +623,15 @@ gss_import_v2_context(const void *p, const void *end, struct krb5_ctx *ctx,
        p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime));
        if (IS_ERR(p))
                goto out_err;
-       p = simple_get_bytes(p, end, &ctx->seq_send64, sizeof(ctx->seq_send64));
+       p = simple_get_bytes(p, end, &seq_send64, sizeof(seq_send64));
        if (IS_ERR(p))
                goto out_err;
+       atomic64_set(&ctx->seq_send64, seq_send64);
        /* set seq_send for use by "older" enctypes */
-       ctx->seq_send = ctx->seq_send64;
-       if (ctx->seq_send64 != ctx->seq_send) {
-               dprintk("%s: seq_send64 %lx, seq_send %x overflow?\n", __func__,
-                       (unsigned long)ctx->seq_send64, ctx->seq_send);
+       atomic_set(&ctx->seq_send, seq_send64);
+       if (seq_send64 != atomic_read(&ctx->seq_send)) {
+               dprintk("%s: seq_send64 %llx, seq_send %x overflow?\n", __func__,
+                       seq_send64, atomic_read(&ctx->seq_send));
                p = ERR_PTR(-EINVAL);
                goto out_err;
        }