The brand new GCC 5.1.0 warns by default on using a boolean in the
switch condition. This results in the following warning:

fs/nfs/nfs4proc.c: In function 'nfs4_proc_get_rootfh':
fs/nfs/nfs4proc.c:3100:10: warning: switch condition has boolean value 
[-Wswitch-bool]
  switch (auth_probe) {
          ^

This code was obviously using switch to make use of the fall-through
semantics (without the usual comment, though).
Rewrite that code using if statements to avoid the warning and make
the code a bit more readable on the way.

Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
---
 fs/nfs/nfs4proc.c |   11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 627f37c..f7acfb6 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3095,16 +3095,13 @@ int nfs4_proc_get_rootfh(struct nfs_server *server, 
struct nfs_fh *fhandle,
                         struct nfs_fsinfo *info,
                         bool auth_probe)
 {
-       int status;
+       int status = 0;
 
-       switch (auth_probe) {
-       case false:
+       if (!auth_probe)
                status = nfs4_lookup_root(server, fhandle, info);
-               if (status != -NFS4ERR_WRONGSEC)
-                       break;
-       default:
+
+       if (auth_probe || status == NFS4ERR_WRONGSEC)
                status = nfs4_do_find_root_sec(server, fhandle, info);
-       }
 
        if (status == 0)
                status = nfs4_server_capabilities(server, fhandle);
-- 
1.7.10.4

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