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-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 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)
66 int err = -EBUSY; 66 int err = -EBUSY;
67 char *sock = NULL; 67 char *sock = NULL;
68 68
69 lock_kernel();
69 spin_lock(&lock); 70 spin_lock(&lock);
70 if(timer_alive) 71 if(timer_alive)
71 goto err; 72 goto err;
@@ -82,9 +83,11 @@ static int harddog_open(struct inode *inode, struct file *file)
82 83
83 timer_alive = 1; 84 timer_alive = 1;
84 spin_unlock(&lock); 85 spin_unlock(&lock);
86 unlock_kernel();
85 return nonseekable_open(inode, file); 87 return nonseekable_open(inode, file);
86err: 88err:
87 spin_unlock(&lock); 89 spin_unlock(&lock);
90 unlock_kernel();
88 return err; 91 return err;
89} 92}
90 93