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

• Lines: 72
• Date: Tue Aug 8 09:27:34 2000
• Orig file: v2.4.0-test5/linux/drivers/char/drm/mga_drv.c
• Orig date: Thu Jul 27 17:38:00 2000

diff -u --recursive --new-file v2.4.0-test5/linux/drivers/char/drm/mga_drv.c linux/drivers/char/drm/mga_drv.c
@@ -33,8 +33,6 @@
 #include <linux/config.h>
 #include "drmP.h"
 #include "mga_drv.h"
-#include <linux/sched.h>
-#include <linux/smp_lock.h>
 
 #define MGA_NAME	 "mga"
 #define MGA_DESC	 "Matrox g200/g400"
@@ -47,8 +45,8 @@
 drm_ctx_t		      mga_res_ctx;
 
 static struct file_operations mga_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:	 mga_open,
@@ -339,7 +337,7 @@
 /* mga_init is called via init_module at module load time, or via
  * linux/init/main.c (this is not currently supported). */
 
-int mga_init(void)
+static int mga_init(void)
 {
 	int		      retcode;
 	drm_device_t	      *dev = &mga_device;
@@ -404,7 +402,7 @@
 
 /* mga_cleanup is called via cleanup_module at module unload time. */
 
-void mga_cleanup(void)
+static void mga_cleanup(void)
 {
 	drm_device_t	      *dev = &mga_device;
 
@@ -481,6 +479,9 @@
 	
 	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++) {
@@ -561,6 +562,9 @@
 	up(&dev->struct_sem);
 	
 	drm_free(priv, sizeof(*priv), DRM_MEM_FILES);
+#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) {
@@ -573,9 +577,10 @@
 		   	return -EBUSY;
 		}
 	   	spin_unlock(&dev->count_lock);
-	   	retcode = mga_takedown(dev);
-	} else
-		spin_unlock(&dev->count_lock);
+		unlock_kernel();
+	   	return mga_takedown(dev);
+	}
+	spin_unlock(&dev->count_lock);
 	unlock_kernel();
 	return retcode;
 }