1 files changed, 3 insertions, 3 deletions

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index ebebaabb78ad..563ce7690a1e 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -251,7 +251,7 @@ void line_set_termios(struct tty_struct *tty, struct termios * old)
         /* nothing */
 }
 
-static struct {
+static const struct {
         int  cmd;
         char *level;
         char *name;
@@ -405,7 +405,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data,
 
 int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
 {
-        struct line_driver *driver = line->driver;
+        const struct line_driver *driver = line->driver;
         int err = 0, flags = IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM;
 
         if (input)
@@ -558,7 +558,7 @@ int line_setup(struct line *lines, unsigned int num, char *init)
 }
 
 int line_config(struct line *lines, unsigned int num, char *str,
-                struct chan_opts *opts)
+                const struct chan_opts *opts)
 {
         struct line *line;
         char *new;