From: Chuck Lever <chuck.lever@oracle.com>
Date: Mon, 19 Jul 2010 14:09:12 +0000 (-0400)
Subject: nfs-utils: Fix C aliasing rules violation in	nfs_getrpccaller()
X-Git-Tag: nfs-utils-1-2-3-rc5~27
X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=commitdiff_plain;h=0bd7e91cea26bcfc5581290e4cdd87870da29b9e;hp=a8715bec8bd671135f20fc0422d2a9fc0993758a

nfs-utils: Fix C aliasing rules violation in	nfs_getrpccaller()

Squelch compiler warnings reported with -Wextra:

In file included from statd.c:24:
../../support/include/rpcmisc.h: In function nfs_getrpccaller_in:
../../support/include/rpcmisc.h:58: warning: dereferencing type-punned
pointer might break strict-aliasing rules
../../support/include/rpcmisc.h: In function nfs_getrpccaller:
../../support/include/rpcmisc.h:63: warning: dereferencing type-punned
pointer might break strict-aliasing rules

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
---

diff --git a/support/include/rpcmisc.h b/support/include/rpcmisc.h
index 1b8f411..c5847fa 100644
--- a/support/include/rpcmisc.h
+++ b/support/include/rpcmisc.h
@@ -60,12 +60,12 @@ extern int	_rpcsvcdirty;
 
 static inline struct sockaddr_in *nfs_getrpccaller_in(SVCXPRT *xprt)
 {
-	return (struct sockaddr_in *)svc_getcaller(xprt);
+	return (struct sockaddr_in *)(char *)svc_getcaller(xprt);
 }
 
 static inline struct sockaddr *nfs_getrpccaller(SVCXPRT *xprt)
 {
-	return (struct sockaddr *)svc_getcaller(xprt);
+	return (struct sockaddr *)(char *)svc_getcaller(xprt);
 }
 
 #endif /* RPCMISC_H */