patch-2.4.3 linux/mm/mprotect.c

• Lines: 18
• Date: Mon Mar 19 12:35:08 2001
• Orig file: v2.4.2/linux/mm/mprotect.c
• Orig date: Fri Dec 29 14:07:24 2000

diff -u --recursive --new-file v2.4.2/linux/mm/mprotect.c linux/mm/mprotect.c
@@ -242,7 +242,8 @@
 	if (end == start)
 		return 0;
 
-	down(&current->mm->mmap_sem);
+	/* XXX: maybe this could be down_read ??? - Rik */
+	down_write(&current->mm->mmap_sem);
 
 	vma = find_vma(current->mm, start);
 	error = -EFAULT;
@@ -278,6 +279,6 @@
 		}
 	}
 out:
-	up(&current->mm->mmap_sem);
+	up_write(&current->mm->mmap_sem);
 	return error;
 }