Wrap buffers used for rpc debug printks into RPC_IFDEBUG
Sorry for the noise, but here's the v3 of this compilation fix :)
There are some places, which declare the char buf[...] on the stack
to push it later into dprintk(). Since the dprintk sometimes (if the
CONFIG_SYSCTL=n) becomes an empty do { } while (0) stub, these buffers
cause gcc to produce appropriate warnings.
Wrap these buffers with RPC_IFDEBUG macro, as Trond proposed, to
compile them out when not needed.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 0d784f6..66648dd 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -172,7 +172,7 @@
static int nfs_callback_authenticate(struct svc_rqst *rqstp)
{
struct nfs_client *clp;
- char buf[RPC_MAX_ADDRBUFLEN];
+ RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]);
/* Don't talk to strangers */
clp = nfs_find_client(svc_addr(rqstp), 4);