X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fsbus%2Fchar%2Fflash.c;h=7d95e151513a0a5446e07ef6da24d9605334af53;hb=5554b35933245e95710d709175e14c02cbc956a4;hp=44e039865aa99714d4184e033a2d5bce65d94532;hpb=a862b5c8cd5d847779a049a5fc8cf5b1e6f5fa07;p=linux-2.6

diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 44e039865a..7d95e15151 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -127,9 +127,13 @@ flash_read(struct file * file, char __user * buf,
 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;
 }