---

yaml --- r: 100327 b: refs/heads/master c: a076230 h: refs/heads/master i: 100325: 8f6e9e9 100323: 5820b60 100319: ecf9cbe v: v3
git-mirror · Jun 20, 2008 · 8312038 · 8312038
1 parent 80dfdc2
commit 8312038
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8f5934278d1d86590244c2791b28f77d67466007
+refs/heads/master: a076230134f3083a58cef99e48b127818ef01e7a
diff --git a/trunk/drivers/char/agp/frontend.c b/trunk/drivers/char/agp/frontend.c
@@ -39,6 +39,7 @@
 #include <linux/mm.h>
 #include <linux/fs.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include "agp.h"
@@ -677,6 +678,7 @@ static int agp_open(struct inode *inode, struct file *file)
 	struct agp_client *client;
 	int rc = -ENXIO;
 
+	lock_kernel();
 	mutex_lock(&(agp_fe.agp_mutex));
 
 	if (minor != AGPGART_MINOR)
@@ -703,12 +705,14 @@ static int agp_open(struct inode *inode, struct file *file)
 	agp_insert_file_private(priv);
 	DBG("private=%p, client=%p", priv, client);
 	mutex_unlock(&(agp_fe.agp_mutex));
+	unlock_kernel();
 	return 0;
 
 err_out_nomem:
 	rc = -ENOMEM;
 err_out:
 	mutex_unlock(&(agp_fe.agp_mutex));
+	unlock_kernel();
 	return rc;
 }