i2c: expand minor range when registering chrdev region
Actually, total amount of available minor number for a single major is
MINORMASK + 1. So expand minor range when registering chrdev region.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
[wsa: fixed typo in commit message]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index ccd76c7..3f7b9af 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -52,7 +52,7 @@ struct i2c_dev {
struct cdev cdev;
};
-#define I2C_MINORS MINORMASK
+#define I2C_MINORS (MINORMASK + 1)
static LIST_HEAD(i2c_dev_list);
static DEFINE_SPINLOCK(i2c_dev_list_lock);