The ioctl is named I2C_RDWR for "I2C read/write". But references to it
were misspelled "rdrw". Fix them.
Signed-off-by: Jean Delvare <jdelv...@suse.de>
Cc: Wolfram Sang <w...@the-dreams.de>
---
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
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