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Input: uinput - convert to dynalloc allocation

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Also introduce proper locking when creating/deleting device.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
2005-11-20 00:51:22 -05:00
parent e753b650e1
commit 29506415a0
2 changed files with 170 additions and 154 deletions
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12
include/linux/uinput.h
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@@ -34,8 +34,7 @@
#define UINPUT_BUFFER_SIZE 16
#define UINPUT_NUM_REQUESTS 16
/* state flags => bit index for {set|clear|test}_bit ops */
#define UIST_CREATED 0
enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };
struct uinput_request {
int id;
@@ -52,11 +51,12 @@ struct uinput_request {
struct uinput_device {
struct input_dev *dev;
unsigned long state;
struct semaphore sem;
enum uinput_state state;
wait_queue_head_t waitq;
unsigned char ready,
head,
tail;
unsigned char ready;
unsigned char head;
unsigned char tail;
struct input_event buff[UINPUT_BUFFER_SIZE];
struct uinput_request *requests[UINPUT_NUM_REQUESTS];