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 <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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 @@
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 @@
/* 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 @@
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 @@
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 @@
__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 */