rtl8192u: Don't need to save device proc dir PDE

Don't need to save the PDE of a directory created under /proc/net/rtl8192/ as
we can use proc subtree deletion to get rid of it and all its children.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Jerry Chuang <jerry-chuang@realtek.com>
cc: linux-wireless@vger.kernel.org
cc: devel@driverdev.osuosl.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 6 insertions, 13 deletions

diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h
index e538e026b512..bedeb330ad4f 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -946,7 +946,6 @@ typedef struct r8192_priv {
         /*stats*/
         struct Stats stats;
         struct iw_statistics wstats;
-        struct proc_dir_entry *dir_dev;
 
         /*RX stuff*/
 //      u32 *rxring;
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index d81d7d55f25e..27ba2a3111d2 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -669,20 +669,19 @@ static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 void rtl8192_proc_init_one(struct net_device *dev)
 {
         const struct rtl8192_proc_file *f;
-        struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+        struct proc_dir_entry *dir;
 
         if (rtl8192_proc) {
-                priv->dir_dev = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
-                if (!priv->dir_dev) {
+                dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
+                if (!dir) {
                         RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
                                  dev->name);
                         return;
                 }
 
                 for (f = rtl8192_proc_files; f->name[0]; f++) {
-                        if (!proc_create_data(f->name, S_IFREG | S_IRUGO,
-                                              priv->dir_dev,
-                                              rtl8192_proc_fops, f->show)) {
+                        if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
+                                              &rtl8192_proc_fops, f->show)) {
                                 RT_TRACE(COMP_ERR, "Unable to initialize "
                                          "/proc/net/rtl8192/%s/%s\n",
                                          dev->name, f->name);
@@ -694,12 +693,7 @@ void rtl8192_proc_init_one(struct net_device *dev)
 
 void rtl8192_proc_remove_one(struct net_device *dev)
 {
-        struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
-
-        if (priv->dir_dev) {
-                remove_proc_subtree(dev->name, rtl8192_proc);
-                priv->dir_dev = NULL;
-        }
+        remove_proc_subtree(dev->name, rtl8192_proc);
 }
 
 /****************************************************************************