drm: cleanup use of Linux list handling macros

This makes the drms use of the list handling macros a lot cleaner
and more along the lines of how they should be used and uses them
in some more places.

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c
index 565895547d75..96b982f1f4a4 100644
--- a/drivers/char/drm/drm_ioctl.c
+++ b/drivers/char/drm/drm_ioctl.c
@@ -204,7 +204,7 @@ int drm_getmap(struct inode *inode, struct file *filp,
         }
 
         i = 0;
-        list_for_each(list, &dev->maplist->head) {
+        list_for_each(list, &dev->maplist) {
                 if (i == idx) {
                         r_list = list_entry(list, drm_map_list_t, head);
                         break;
@@ -257,12 +257,18 @@ int drm_getclient(struct inode *inode, struct file *filp,
                 return -EFAULT;
         idx = client.idx;
         mutex_lock(&dev->struct_mutex);
-        for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) ;
-
-        if (!pt) {
+        
+        if (list_empty(&dev->filelist)) {
                 mutex_unlock(&dev->struct_mutex);
                 return -EINVAL;
         }
+
+        i = 0;
+        list_for_each_entry(pt, &dev->filelist, lhead) {
+                if (i++ >= idx)
+                        break;
+        }
+
         client.auth = pt->authenticated;
         client.pid = pt->pid;
         client.uid = pt->uid;