i2c: also convert placeholder function to return errno

Wolfram Sang · wsakernel · commit 8be23aec0ee1 · 2020-07-27T20:16:58.000+02:00
All i2c_new_device-alike functions return ERR_PTR these days, but this fallback function was missed. Fixes: 2dea645 ("i2c: acpi: Return error pointers from i2c_acpi_new_device()") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> [wsa: changed from 'ENOSYS' to 'ENODEV'] Signed-off-by: Wolfram Sang <wsa@kernel.org>
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
@@ -1001,7 +1001,7 @@ static inline u32 i2c_acpi_find_bus_speed(struct device *dev)
 static inline struct i2c_client *i2c_acpi_new_device(struct device *dev,
 					int index, struct i2c_board_info *info)
 {
-	return NULL;
+	return ERR_PTR(-ENODEV);
 }
 static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
 {

Original file line number	Diff line number	Diff line change
`@@ -1001,7 +1001,7 @@ static inline u32 i2c_acpi_find_bus_speed(struct device *dev)`
`1001`	`1001`	`static inline struct i2c_client i2c_acpi_new_device(struct device dev,`
`1002`	`1002`	`int index, struct i2c_board_info *info)`
`1003`	`1003`	`{`
`1004`		`- return NULL;`
	`1004`	`+ return ERR_PTR(-ENODEV);`
`1005`	`1005`	`}`
`1006`	`1006`	`static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)`
`1007`	`1007`	`{`