---

yaml --- r: 82859 b: refs/heads/master c: 2b06ac8 h: refs/heads/master i: 82857: 7c6131e 82855: 609d54f v: v3
git-mirror · Feb 4, 2008 · 8b1e95c · 8b1e95c
1 parent ebb3b13
commit 8b1e95c
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Showing 3 changed files with 13 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2347d933b158932cf2b8aeebae3e5cc16b200bd1
+refs/heads/master: 2b06ac867176d5d24757bda7e13f6255d6b96d7b
diff --git a/trunk/arch/x86/kernel/cpuid.c b/trunk/arch/x86/kernel/cpuid.c
@@ -62,9 +62,9 @@ static void cpuid_smp_cpuid(void *cmd_block)
 static loff_t cpuid_seek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
+	struct inode *inode = file->f_mapping->host;
 
-	lock_kernel();
-
+	mutex_lock(&inode->i_mutex);
 	switch (orig) {
 	case 0:
 		file->f_pos = offset;
@@ -77,8 +77,7 @@ static loff_t cpuid_seek(struct file *file, loff_t offset, int orig)
 	default:
 		ret = -EINVAL;
 	}
-
-	unlock_kernel();
+	mutex_unlock(&inode->i_mutex);
 	return ret;
 }
 

diff --git a/trunk/arch/x86/kernel/msr.c b/trunk/arch/x86/kernel/msr.c
@@ -1,6 +1,6 @@
 /* ----------------------------------------------------------------------- *
- *   
- *   Copyright 2000 H. Peter Anvin - All Rights Reserved
+ *
+ *   Copyright 2000-2008 H. Peter Anvin - All Rights Reserved
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -45,9 +45,10 @@ static struct class *msr_class;
 
 static loff_t msr_seek(struct file *file, loff_t offset, int orig)
 {
-	loff_t ret = -EINVAL;
+	loff_t ret;
+	struct inode *inode = file->f_mapping->host;
 
-	lock_kernel();
+	mutex_lock(&inode->i_mutex);
 	switch (orig) {
 	case 0:
 		file->f_pos = offset;
@@ -56,8 +57,11 @@ static loff_t msr_seek(struct file *file, loff_t offset, int orig)
 	case 1:
 		file->f_pos += offset;
 		ret = file->f_pos;
+		break;
+	default:
+		ret = -EINVAL;
 	}
-	unlock_kernel();
+	mutex_unlock(&inode->i_mutex);
 	return ret;
 }