[mips] switch pvc_proc_cleanup() to remove_proc_subtree()

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

diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
index 2bcd839..b420958 100644 (file)
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@@ -22,7 +22,6 @@
 static DEFINE_MUTEX(pvc_mutex);
 static char pvc_lines[PVC_NLINES][PVC_LINELEN+1];
 static int pvc_linedata[PVC_NLINES];
-static struct proc_dir_entry *pvc_display_dir;
 static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
 #define DISPLAY_DIR_NAME "display"
 static int scroll_dir, scroll_interval;
@@ -169,22 +168,17 @@ void pvc_proc_timerfunc(unsigned long data)
 
 static void pvc_proc_cleanup(void)
 {
-       int i;
-       for (i = 0; i < PVC_NLINES; i++)
-               remove_proc_entry(pvc_linename[i], pvc_display_dir);
-       remove_proc_entry("scroll", pvc_display_dir);
-       remove_proc_entry(DISPLAY_DIR_NAME, NULL);
-
+       remove_proc_subtree(DISPLAY_DIR_NAME, NULL);
        del_timer_sync(&timer);
 }
 
 static int __init pvc_proc_init(void)
 {
-       struct proc_dir_entry *proc_entry;
+       struct proc_dir_entry *dir, *proc_entry;
        int i;
 
-       pvc_display_dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
-       if (pvc_display_dir == NULL)
+       dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
+       if (dir == NULL)
                goto error;
 
        for (i = 0; i < PVC_NLINES; i++) {
@@ -192,12 +186,12 @@ static int __init pvc_proc_init(void)
                pvc_linedata[i] = i;
        }
        for (i = 0; i < PVC_NLINES; i++) {
-               proc_entry = proc_create_data(pvc_linename[i], 0644, pvc_display_dir,
+               proc_entry = proc_create_data(pvc_linename[i], 0644, dir,
                                        &pvc_line_proc_fops, &pvc_linedata[i]);
                if (proc_entry == NULL)
                        goto error;
        }
-       proc_entry = proc_create("scroll", 0644, pvc_display_dir,
+       proc_entry = proc_create("scroll", 0644, dir,
                                 &pvc_scroll_proc_fops);
        if (proc_entry == NULL)
                goto error;