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@@ -37,6 +37,7 @@
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#include <linux/fs.h>
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#include <linux/miscdevice.h>
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#include <linux/uinput.h>
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+#include <linux/smp_lock.h>
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static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
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{
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@@ -222,6 +223,7 @@ static int uinput_open(struct inode *inode, struct file *file)
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if (!newdev)
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return -ENOMEM;
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+ lock_kernel();
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mutex_init(&newdev->mutex);
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spin_lock_init(&newdev->requests_lock);
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init_waitqueue_head(&newdev->requests_waitq);
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@@ -229,6 +231,7 @@ static int uinput_open(struct inode *inode, struct file *file)
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newdev->state = UIST_NEW_DEVICE;
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file->private_data = newdev;
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+ unlock_kernel();
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return 0;
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}
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