Commit 8a6d508a authored Feb 12, 2019 by Chengguang Xu Committed by Wolfram Sang Feb 15, 2019

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>

parent 2e57b7ce

drivers/i2c/i2c-dev.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);