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-rw-r--r--net/sunrpc/auth_gss/auth_gss.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 3c3c50f..66cb89c 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -644,7 +644,22 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
p = gss_fill_context(p, end, ctx, gss_msg->auth->mech);
if (IS_ERR(p)) {
err = PTR_ERR(p);
- gss_msg->msg.errno = (err == -EAGAIN) ? -EAGAIN : -EACCES;
+ switch (err) {
+ case -EACCES:
+ gss_msg->msg.errno = err;
+ err = mlen;
+ break;
+ case -EFAULT:
+ case -ENOMEM:
+ case -EINVAL:
+ case -ENOSYS:
+ gss_msg->msg.errno = -EAGAIN;
+ break;
+ default:
+ printk(KERN_CRIT "%s: bad return from "
+ "gss_fill_context: %ld\n", __func__, err);
+ BUG();
+ }
goto err_release_msg;
}
gss_msg->ctx = gss_get_ctx(ctx);
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