commit 78abb6ac919cee123e632d833a42d0312ccb2b0d
author Arnd Bergmann <arnd@arndb.de> Tue May 20 19:15:54 2008 +0200
committer Jonathan Corbet <corbet@lwn.net> Fri Jun 20 14:05:57 2008 -0600
tree b968613b7f69e0f849989fe40a5ba541a537842d
parent 1d17bf0c08569e7aefd27df0179065fb955588c4

flash: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/sbus/char/flash.c

diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 44e0398..7d95e15 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -127,9 +127,13 @@
 static int
 flash_open(struct inode *inode, struct file *file)
 {
-	if (test_and_set_bit(0, (void *)&flash.busy) != 0)
+	lock_kernel();
+	if (test_and_set_bit(0, (void *)&flash.busy) != 0) {
+		unlock_kernel();
 		return -EBUSY;
+	}
 
+	unlock_kernel();
 	return 0;
 }