ipmi: remove ->write_proc code

IPMI code theoretically allows ->write_proc users, but nobody uses this thus
far.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 5b13579..8c4badd 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1941,7 +1941,7 @@
 #endif /* CONFIG_PROC_FS */
 
 int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name,
-			    read_proc_t *read_proc, write_proc_t *write_proc,
+			    read_proc_t *read_proc,
 			    void *data, struct module *owner)
 {
 	int                    rv = 0;
@@ -1968,7 +1968,6 @@
 	} else {
 		file->data = data;
 		file->read_proc = read_proc;
-		file->write_proc = write_proc;
 		file->owner = owner;
 
 		mutex_lock(&smi->proc_entry_lock);
@@ -1997,17 +1996,17 @@
 
 	if (rv == 0)
 		rv = ipmi_smi_add_proc_entry(smi, "stats",
-					     stat_file_read_proc, NULL,
+					     stat_file_read_proc,
 					     smi, THIS_MODULE);
 
 	if (rv == 0)
 		rv = ipmi_smi_add_proc_entry(smi, "ipmb",
-					     ipmb_file_read_proc, NULL,
+					     ipmb_file_read_proc,
 					     smi, THIS_MODULE);
 
 	if (rv == 0)
 		rv = ipmi_smi_add_proc_entry(smi, "version",
-					     version_file_read_proc, NULL,
+					     version_file_read_proc,
 					     smi, THIS_MODULE);
 #endif /* CONFIG_PROC_FS */
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 97b6225..5a54555 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2892,7 +2892,7 @@
 	}
 
 	rv = ipmi_smi_add_proc_entry(new_smi->intf, "type",
-				     type_file_read_proc, NULL,
+				     type_file_read_proc,
 				     new_smi, THIS_MODULE);
 	if (rv) {
 		printk(KERN_ERR
@@ -2902,7 +2902,7 @@
 	}
 
 	rv = ipmi_smi_add_proc_entry(new_smi->intf, "si_stats",
-				     stat_file_read_proc, NULL,
+				     stat_file_read_proc,
 				     new_smi, THIS_MODULE);
 	if (rv) {
 		printk(KERN_ERR
@@ -2912,7 +2912,7 @@
 	}
 
 	rv = ipmi_smi_add_proc_entry(new_smi->intf, "params",
-				     param_read_proc, NULL,
+				     param_read_proc,
 				     new_smi, THIS_MODULE);
 	if (rv) {
 		printk(KERN_ERR
diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h
index 845a847..62b7366 100644
--- a/include/linux/ipmi_smi.h
+++ b/include/linux/ipmi_smi.h
@@ -229,7 +229,7 @@
    directory for this interface.  Note that the entry will
    automatically be dstroyed when the interface is destroyed. */
 int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name,
-			    read_proc_t *read_proc, write_proc_t *write_proc,
+			    read_proc_t *read_proc,
 			    void *data, struct module *owner);
 
 #endif /* __LINUX_IPMI_SMI_H */