Commit bf5f18d7 authored by Aniroop Mathur's avatar Aniroop Mathur Committed by Dmitry Torokhov

Input: evdev - fix bug in checking duplicate clock change request

clk_type and clkid stores different predefined clock identification
values so they cannot be compared for checking duplicate clock change
request. Therefore, lets fix it to avoid unexpected results.
Signed-off-by: default avatarAniroop Mathur <a.mathur@samsung.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 5523662e
......@@ -56,7 +56,7 @@ struct evdev_client {
struct fasync_struct *fasync;
struct evdev *evdev;
struct list_head node;
int clk_type;
unsigned int clk_type;
bool revoked;
unsigned long *evmasks[EV_CNT];
unsigned int bufsize;
......@@ -191,25 +191,26 @@ static void evdev_queue_syn_dropped(struct evdev_client *client)
static int evdev_set_clk_type(struct evdev_client *client, unsigned int clkid)
{
unsigned long flags;
if (client->clk_type == clkid)
return 0;
unsigned int clk_type;
switch (clkid) {
case CLOCK_REALTIME:
client->clk_type = EV_CLK_REAL;
clk_type = EV_CLK_REAL;
break;
case CLOCK_MONOTONIC:
client->clk_type = EV_CLK_MONO;
clk_type = EV_CLK_MONO;
break;
case CLOCK_BOOTTIME:
client->clk_type = EV_CLK_BOOT;
clk_type = EV_CLK_BOOT;
break;
default:
return -EINVAL;
}
if (client->clk_type != clk_type) {
client->clk_type = clk_type;
/*
* Flush pending events and queue SYN_DROPPED event,
* but only if the queue is not empty.
......@@ -222,6 +223,7 @@ static int evdev_set_clk_type(struct evdev_client *client, unsigned int clkid)
}
spin_unlock_irqrestore(&client->buffer_lock, flags);
}
return 0;
}
......
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