patch-2.4.0-test6 linux/drivers/char/drm/r128_drv.c

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diff -u --recursive --new-file v2.4.0-test5/linux/drivers/char/drm/r128_drv.c linux/drivers/char/drm/r128_drv.c
@@ -32,8 +32,6 @@
 #include <linux/config.h>
 #include "drmP.h"
 #include "r128_drv.h"
-#include <linux/sched.h>
-#include <linux/smp_lock.h>
 
 #define R128_NAME	 "r128"
 #define R128_DESC	 "ATI Rage 128"
@@ -46,8 +44,8 @@
 drm_ctx_t	              r128_res_ctx;
 
 static struct file_operations r128_fops = {
-#if LINUX_VERSION_CODE >= 0x020322
-				/* This started being used approx. 2.3.34 */
+#if LINUX_VERSION_CODE >= 0x020400
+				/* This started being used during 2.4.0-test */
 	owner:   THIS_MODULE,
 #endif
 	open:	 r128_open,
@@ -325,7 +323,7 @@
 /* r128_init is called via init_module at module load time, or via
  * linux/init/main.c (this is not currently supported). */
 
-int r128_init(void)
+static int r128_init(void)
 {
 	int		      retcode;
 	drm_device_t	      *dev = &r128_device;
@@ -389,7 +387,7 @@
 
 /* r128_cleanup is called via cleanup_module at module unload time. */
 
-void r128_cleanup(void)
+static void r128_cleanup(void)
 {
 	drm_device_t	      *dev = &r128_device;
 
@@ -457,6 +455,9 @@
 
 	DRM_DEBUG("open_count = %d\n", dev->open_count);
 	if (!(retcode = drm_open_helper(inode, filp, dev))) {
+#if LINUX_VERSION_CODE < 0x020333
+		MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
+#endif
 		atomic_inc(&dev->total_open);
 		spin_lock(&dev->count_lock);
 		if (!dev->open_count++) {
@@ -466,8 +467,6 @@
 		spin_unlock(&dev->count_lock);
 	}
 	
-	unlock_kernel();
-
 	return retcode;
 }
 
@@ -478,10 +477,12 @@
 	int	      retcode = 0;
 
 	lock_kernel();
-	dev    = priv->dev;
+	dev = priv->dev;
 	DRM_DEBUG("open_count = %d\n", dev->open_count);
 	if (!(retcode = drm_release(inode, filp))) {
-		MOD_DEC_USE_COUNT;
+#if LINUX_VERSION_CODE < 0x020333
+		MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
+#endif
 		atomic_inc(&dev->total_close);
 		spin_lock(&dev->count_lock);
 		if (!--dev->open_count) {
@@ -494,10 +495,12 @@
 				return -EBUSY;
 			}
 			spin_unlock(&dev->count_lock);
-			retcode = r128_takedown(dev);
-		} else
-			spin_unlock(&dev->count_lock);
+			unlock_kernel();
+			return r128_takedown(dev);
+		}
+		spin_unlock(&dev->count_lock);
 	}
+	
 	unlock_kernel();
 	return retcode;
 }

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