From 78dccb46ddc2ff460c8b4d5ec0886964bd4b59e5 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 20 May 2008 19:16:54 +0200 Subject: [PATCH] uml-harddog: BKL pushdown Signed-off-by: Arnd Bergmann --- arch/um/drivers/harddog_kern.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c index a9ad4bd6d953..d332503fa1be 100644 --- a/arch/um/drivers/harddog_kern.c +++ b/arch/um/drivers/harddog_kern.c @@ -66,6 +66,7 @@ static int harddog_open(struct inode *inode, struct file *file) int err = -EBUSY; char *sock = NULL; + lock_kernel(); spin_lock(&lock); if(timer_alive) goto err; @@ -82,9 +83,11 @@ static int harddog_open(struct inode *inode, struct file *file) timer_alive = 1; spin_unlock(&lock); + unlock_kernel(); return nonseekable_open(inode, file); err: spin_unlock(&lock); + unlock_kernel(); return err; }