patch-2.3.9 linux/arch/alpha/kernel/osf_sys.c

• Lines: 16
• Date: Thu Jun 24 23:56:23 1999
• Orig file: v2.3.8/linux/arch/alpha/kernel/osf_sys.c
• Orig date: Mon May 10 09:55:21 1999

diff -u --recursive --new-file v2.3.8/linux/arch/alpha/kernel/osf_sys.c linux/arch/alpha/kernel/osf_sys.c
@@ -255,6 +255,7 @@
 	struct file *file = NULL;
 	unsigned long ret = -EBADF;
 
+	down(&current->mm->mmap_sem);
 	lock_kernel();
 #if 0
 	if (flags & (_MAP_HASSEMAPHORE | _MAP_INHERIT | _MAP_UNALIGNED))
@@ -272,6 +273,7 @@
 		fput(file);
 out:
 	unlock_kernel();
+	up(&current->mm->mmap_sem);
 	return ret;
 }