[PATCH] Replace regular code with appropriate calls to container_of()

Replace a small number of expressions with a call to the "container_of()"
macro.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index c6de566188e4..0986f6c843e6 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -83,7 +83,7 @@ struct ppp_file {
         int             dead;           /* unit/channel has been shut down */
 };
 
-#define PF_TO_X(pf, X)          ((X *)((char *)(pf) - offsetof(X, file)))
+#define PF_TO_X(pf, X)          container_of(pf, X, file)
 
 #define PF_TO_PPP(pf)           PF_TO_X(pf, struct ppp)
 #define PF_TO_CHANNEL(pf)       PF_TO_X(pf, struct channel)