Declare new ion_user_handle_t type to contain the token returned to user-space.
This allows a 2-step migration of the user-space code to a new kernel header
first, then will allow us to change the definition of the ion_user_handle_type_t
to int without breaking the API.
Signed-off-by: Rom Lemarchand <romlem@google.com>
(cherry picked from commit
ebb8269bbb05b06ecedca3e21b3e65f23d48eadd)
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
if (IS_ERR(handle))
return PTR_ERR(handle);
- data.handle = (struct ion_handle *)handle->id;
+ data.handle = (ion_user_handle_t)handle->id;
if (copy_to_user((void __user *)arg, &data, sizeof(data))) {
ion_free(client, handle);
if (IS_ERR(handle))
ret = PTR_ERR(handle);
else
- data.handle = (struct ion_handle *)handle->id;
+ data.handle = (ion_user_handle_t)handle->id;
if (copy_to_user((void __user *)arg, &data,
sizeof(struct ion_fd_data)))
#include <linux/types.h>
struct ion_handle;
+typedef struct ion_handle *ion_user_handle_t;
+
/**
* enum ion_heap_types - list of all possible types of heaps
* @ION_HEAP_TYPE_SYSTEM: memory allocated via vmalloc
size_t align;
unsigned int heap_id_mask;
unsigned int flags;
- struct ion_handle *handle;
+ ion_user_handle_t handle;
};
/**
* provides the file descriptor and the kernel returns the handle.
*/
struct ion_fd_data {
- struct ion_handle *handle;
+ ion_user_handle_t handle;
int fd;
};
* @handle: a handle
*/
struct ion_handle_data {
- struct ion_handle *handle;
+ ion_user_handle_t handle;
};
/**