From c57d3e7a9391c03ae7ee5572be850284393f5bef Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 8 Sep 2015 11:05:49 +0200 Subject: [PATCH] i2c-dev: Fix typo in ioctl name reference The ioctl is named I2C_RDWR for "I2C read/write". But references to it were misspelled "rdrw". Fix them. Signed-off-by: Jean Delvare Signed-off-by: Wolfram Sang --- 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(-) diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 71c7a39..3853897 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -235,7 +235,7 @@ static int i2cdev_check_addr(struct i2c_adapter *adapter, unsigned int addr) 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(struct i2c_client *client, /* 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 *file, unsigned int cmd, unsigned long arg) 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); diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 48851f6..dcf2653 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -686,7 +686,7 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, 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)) diff --git a/include/uapi/linux/i2c-dev.h b/include/uapi/linux/i2c-dev.h index 3f31155..2f05e66 100644 --- a/include/uapi/linux/i2c-dev.h +++ b/include/uapi/linux/i2c-dev.h @@ -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 it for compatibility */ +#define I2C_RDRW_IOCTL_MAX_MSGS I2C_RDWR_IOCTL_MAX_MSGS #endif /* _UAPI_LINUX_I2C_DEV_H */ -- 2.7.4