svcauth_gss: replace a trivial 'switch' with an 'if'

Code like:

  switch(xxx) {
  case -error1:
  case -error2:
     ..
     return;
  case 0:
     stuff;
  }

  can more naturally be written:

  if (xxx < 0)
      return;

  stuff;

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 19 insertions, 22 deletions

diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index ed005af3ef5d..dec2a6fc7c12 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1034,30 +1034,27 @@ static int svcauth_gss_handle_init(struct svc_rqst *rqstp,
         rsi_free(&rsikey);
         if (!rsip)
                 return SVC_CLOSE;
-        switch (cache_check(&rsi_cache, &rsip->h, &rqstp->rq_chandle)) {
-        case -EAGAIN:
-        case -ETIMEDOUT:
-        case -ENOENT:
+        if (cache_check(&rsi_cache, &rsip->h, &rqstp->rq_chandle) < 0)
                 /* No upcall result: */
                 return SVC_CLOSE;
-        case 0:
-                ret = SVC_CLOSE;
-                /* Got an answer to the upcall; use it: */
-                if (gss_write_init_verf(rqstp, rsip))
-                        goto out;
-                if (resv->iov_len + 4 > PAGE_SIZE)
-                        goto out;
-                svc_putnl(resv, RPC_SUCCESS);
-                if (svc_safe_putnetobj(resv, &rsip->out_handle))
-                        goto out;
-                if (resv->iov_len + 3 * 4 > PAGE_SIZE)
-                        goto out;
-                svc_putnl(resv, rsip->major_status);
-                svc_putnl(resv, rsip->minor_status);
-                svc_putnl(resv, GSS_SEQ_WIN);
-                if (svc_safe_putnetobj(resv, &rsip->out_token))
-                        goto out;
-        }
+
+        ret = SVC_CLOSE;
+        /* Got an answer to the upcall; use it: */
+        if (gss_write_init_verf(rqstp, rsip))
+                goto out;
+        if (resv->iov_len + 4 > PAGE_SIZE)
+                goto out;
+        svc_putnl(resv, RPC_SUCCESS);
+        if (svc_safe_putnetobj(resv, &rsip->out_handle))
+                goto out;
+        if (resv->iov_len + 3 * 4 > PAGE_SIZE)
+                goto out;
+        svc_putnl(resv, rsip->major_status);
+        svc_putnl(resv, rsip->minor_status);
+        svc_putnl(resv, GSS_SEQ_WIN);
+        if (svc_safe_putnetobj(resv, &rsip->out_token))
+                goto out;
+
         ret = SVC_COMPLETE;
 out:
         cache_put(&rsip->h, &rsi_cache);