---

yaml --- r: 100295 b: refs/heads/master c: 20613f2 h: refs/heads/master i: 100293: 9f1164e 100291: f65a747 100287: 4c3e5c4 v: v3
git-mirror · Jun 20, 2008 · 1250fcf · 1250fcf
1 parent 5eefc0f
commit 1250fcf
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1bcaa0bd6fd5b510dd9f1ba2da114d3f1253af61
+refs/heads/master: 20613f24bcd1cbfb08e64f0bb00c44481313b448
diff --git a/trunk/drivers/usb/core/file.c b/trunk/drivers/usb/core/file.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/rwsem.h>
+#include <linux/smp_lock.h>
 #include <linux/usb.h>
 
 #include "usb.h"
@@ -33,6 +34,7 @@ static int usb_open(struct inode * inode, struct file * file)
 	int err = -ENODEV;
 	const struct file_operations *old_fops, *new_fops = NULL;
 
+	lock_kernel();
 	down_read(&minor_rwsem);
 	c = usb_minors[minor];
 
@@ -51,6 +53,7 @@ static int usb_open(struct inode * inode, struct file * file)
 	fops_put(old_fops);
  done:
 	up_read(&minor_rwsem);
+	unlock_kernel();
 	return err;
 }