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path: root/drivers/tty/rpmsg_tty.c
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Diffstat (limited to 'drivers/tty/rpmsg_tty.c')
-rw-r--r--drivers/tty/rpmsg_tty.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/rpmsg_tty.c b/drivers/tty/rpmsg_tty.c
index 29db413bbc03..60a2915f5cfe 100644
--- a/drivers/tty/rpmsg_tty.c
+++ b/drivers/tty/rpmsg_tty.c
@@ -73,7 +73,8 @@ static void rpmsg_tty_close(struct tty_struct *tty, struct file *filp)
return tty_port_close(tty->port, tty, filp);
}
-static int rpmsg_tty_write(struct tty_struct *tty, const u8 *buf, int len)
+static ssize_t rpmsg_tty_write(struct tty_struct *tty, const u8 *buf,
+ size_t len)
{
struct rpmsg_tty_port *cport = tty->driver_data;
struct rpmsg_device *rpdev;
@@ -86,7 +87,7 @@ static int rpmsg_tty_write(struct tty_struct *tty, const u8 *buf, int len)
if (msg_max_size < 0)
return msg_max_size;
- msg_size = min(len, msg_max_size);
+ msg_size = min_t(unsigned int, len, msg_max_size);
/*
* Use rpmsg_trysend instead of rpmsg_send to send the message so the caller is not