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-rw-r--r--arch/um/drivers/harddog_kern.c18
-rw-r--r--arch/um/drivers/hostaudio_kern.c8
-rw-r--r--arch/um/drivers/line.c1
-rw-r--r--arch/um/drivers/mmapper_kern.c5
4 files changed, 21 insertions, 11 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index d332503fa1be..cfcac1ff4cf2 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -124,8 +124,8 @@ static ssize_t harddog_write(struct file *file, const char __user *data, size_t
 	return 0;
 }
 
-static int harddog_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg)
+static int harddog_ioctl_unlocked(struct file *file,
+				  unsigned int cmd, unsigned long arg)
 {
 	void __user *argp= (void __user *)arg;
 	static struct watchdog_info ident = {
@@ -148,10 +148,22 @@ static int harddog_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
+static long harddog_ioctl(struct file *file,
+			  unsigned int cmd, unsigned long arg)
+{
+	long ret;
+
+	lock_kernel();
+	ret = harddog_ioctl_unlocked(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 static const struct file_operations harddog_fops = {
 	.owner		= THIS_MODULE,
 	.write		= harddog_write,
-	.ioctl		= harddog_ioctl,
+	.unlocked_ioctl	= harddog_ioctl,
 	.open		= harddog_open,
 	.release	= harddog_release,
 };
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index 368219cc2366..ae42695c3597 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -136,7 +136,7 @@ static unsigned int hostaudio_poll(struct file *file,
 	return mask;
 }
 
-static int hostaudio_ioctl(struct inode *inode, struct file *file,
+static long hostaudio_ioctl(struct file *file,
 			   unsigned int cmd, unsigned long arg)
 {
 	struct hostaudio_state *state = file->private_data;
@@ -223,7 +223,7 @@ static int hostaudio_release(struct inode *inode, struct file *file)
 
 /* /dev/mixer file operations */
 
-static int hostmixer_ioctl_mixdev(struct inode *inode, struct file *file,
+static long hostmixer_ioctl_mixdev(struct file *file,
 				  unsigned int cmd, unsigned long arg)
 {
 	struct hostmixer_state *state = file->private_data;
@@ -289,7 +289,7 @@ static const struct file_operations hostaudio_fops = {
 	.read           = hostaudio_read,
 	.write          = hostaudio_write,
 	.poll           = hostaudio_poll,
-	.ioctl          = hostaudio_ioctl,
+	.unlocked_ioctl	= hostaudio_ioctl,
 	.mmap           = NULL,
 	.open           = hostaudio_open,
 	.release        = hostaudio_release,
@@ -298,7 +298,7 @@ static const struct file_operations hostaudio_fops = {
 static const struct file_operations hostmixer_fops = {
 	.owner          = THIS_MODULE,
 	.llseek         = no_llseek,
-	.ioctl          = hostmixer_ioctl_mixdev,
+	.unlocked_ioctl	= hostmixer_ioctl_mixdev,
 	.open           = hostmixer_open_mixdev,
 	.release        = hostmixer_release,
 };
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 7a656bd8bd3c..7f7338c90784 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -19,7 +19,6 @@ static irqreturn_t line_interrupt(int irq, void *data)
 {
 	struct chan *chan = data;
 	struct line *line = chan->line;
-	struct tty_struct *tty;
 
 	if (line)
 		chan_interrupt(&line->chan_list, &line->task, line->tty, irq);
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index d22f9e5c0eac..7158393b6793 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -46,8 +46,7 @@ static ssize_t mmapper_write(struct file *file, const char __user *buf,
 	return count;
 }
 
-static int mmapper_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg)
+static long mmapper_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	return -ENOIOCTLCMD;
 }
@@ -90,7 +89,7 @@ static const struct file_operations mmapper_fops = {
 	.owner		= THIS_MODULE,
 	.read		= mmapper_read,
 	.write		= mmapper_write,
-	.ioctl		= mmapper_ioctl,
+	.unlocked_ioctl	= mmapper_ioctl,
 	.mmap		= mmapper_mmap,
 	.open		= mmapper_open,
 	.release	= mmapper_release,