The ioctl is named I2C_RDWR for "I2C read/write". But references to it were misspelled "rdrw". Fix them. Signed-off-by: Jean Delvare <jdelvare@xxxxxxx> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx> --- drivers/i2c/i2c-dev.c | 6 +++--- fs/compat_ioctl.c | 2 +- include/uapi/linux/i2c-dev.h | 4 +++- 3 files changed, 7 insertions(+), 5 deletions(-) --- linux-4.2.orig/drivers/i2c/i2c-dev.c 2015-09-08 09:40:43.287812694 +0200 +++ linux-4.2/drivers/i2c/i2c-dev.c 2015-09-08 09:48:55.191927122 +0200 @@ -235,7 +235,7 @@ static int i2cdev_check_addr(struct i2c_ return result; } -static noinline int i2cdev_ioctl_rdrw(struct i2c_client *client, +static noinline int i2cdev_ioctl_rdwr(struct i2c_client *client, unsigned long arg) { struct i2c_rdwr_ioctl_data rdwr_arg; @@ -250,7 +250,7 @@ static noinline int i2cdev_ioctl_rdrw(st /* Put an arbitrary limit on the number of messages that can * be sent at once */ - if (rdwr_arg.nmsgs > I2C_RDRW_IOCTL_MAX_MSGS) + if (rdwr_arg.nmsgs > I2C_RDWR_IOCTL_MAX_MSGS) return -EINVAL; rdwr_pa = memdup_user(rdwr_arg.msgs, @@ -456,7 +456,7 @@ static long i2cdev_ioctl(struct file *fi return put_user(funcs, (unsigned long __user *)arg); case I2C_RDWR: - return i2cdev_ioctl_rdrw(client, arg); + return i2cdev_ioctl_rdwr(client, arg); case I2C_SMBUS: return i2cdev_ioctl_smbus(client, arg); --- linux-4.2.orig/fs/compat_ioctl.c 2015-09-08 09:40:43.287812694 +0200 +++ linux-4.2/fs/compat_ioctl.c 2015-09-08 09:48:55.193927164 +0200 @@ -686,7 +686,7 @@ static int do_i2c_rdwr_ioctl(unsigned in if (get_user(nmsgs, &udata->nmsgs)) return -EFAULT; - if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS) + if (nmsgs > I2C_RDWR_IOCTL_MAX_MSGS) return -EINVAL; if (get_user(datap, &udata->msgs)) --- linux-4.2.orig/include/uapi/linux/i2c-dev.h 2015-09-08 09:40:43.287812694 +0200 +++ linux-4.2/include/uapi/linux/i2c-dev.h 2015-09-08 09:48:55.193927164 +0200 @@ -66,7 +66,9 @@ struct i2c_rdwr_ioctl_data { __u32 nmsgs; /* number of i2c_msgs */ }; -#define I2C_RDRW_IOCTL_MAX_MSGS 42 +#define I2C_RDWR_IOCTL_MAX_MSGS 42 +/* Originally defined with a typo, keep if for now for compatibility */ +#define I2C_RDRW_IOCTL_MAX_MSGS I2C_RDWR_IOCTL_MAX_MSGS #endif /* _UAPI_LINUX_I2C_DEV_H */ -- Jean Delvare SUSE L3 Support -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html