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authorJean Delvare2015-09-08 11:05:49 +0200
committerWolfram Sang2015-10-23 23:26:43 +0200
commitc57d3e7a9391c03ae7ee5572be850284393f5bef (patch)
tree5a1cb37a4a7b31853217b4f213d2d43e68d01c86
parentd64d45cb95e6f9edf58fab49cfc5a7a60ff1a122 (diff)
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>
-rw-r--r--drivers/i2c/i2c-dev.c6
-rw-r--r--fs/compat_ioctl.c2
-rw-r--r--include/uapi/linux/i2c-dev.h4
3 files changed, 7 insertions, 5 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 71c7a3975b62..38538971f481 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 48851f6ea6ec..dcf26537c935 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 3f311551795d..2f05e66de01e 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 */