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authorArnd Bergmann <arnd@arndb.de>2008-05-20 19:16:54 +0200
committerJonathan Corbet <corbet@lwn.net>2008-07-02 15:06:26 -0600
commit78dccb46ddc2ff460c8b4d5ec0886964bd4b59e5 (patch)
tree4fea52a5790160150ee3bdcd3e4ba9711258045d /arch/um/drivers
parent8702965848ed4bee27486a3e3d2ae34ebba6dd83 (diff)
uml-harddog: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/um/drivers')
-rw-r--r--arch/um/drivers/harddog_kern.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index a9ad4bd6d95..d332503fa1b 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;
}