[PATCH] kill open-coded offsetof in cm4000_cs.c ZERO_DEV()

... to make sure that it doesn't break again when a field changes (see
"[PATCH] pcmcia: fix zeroing of cm4000_cs.c data" for recent example).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index eab5394da66..31c8a21f9d8 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -149,12 +149,7 @@ struct cm4000_dev {
 #define ZERO_DEV(dev)                                           \
         memset(&dev->atr_csum,0,                                \
                 sizeof(struct cm4000_dev) -                     \
-                /*link*/ sizeof(struct pcmcia_device *) -       \
-                /*node*/ sizeof(dev_node_t) -                   \
-                /*atr*/ MAX_ATR*sizeof(char) -                  \
-                /*rbuf*/ 512*sizeof(char) -                     \
-                /*sbuf*/ 512*sizeof(char) -                     \
-                /*queue*/ 4*sizeof(wait_queue_head_t))
+                offsetof(struct cm4000_dev, atr_csum))
 
 static struct pcmcia_device *dev_table[CM4000_MAX_DEV];
 static struct class *cmm_class;