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Commit 008d58f0 authored by Jaiju Yesudasan's avatar Jaiju Yesudasan Committed by Jaiju Yesudasan
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profiler: Add referance count for profiler's STOP command 



Add referance count for profiler stop command This will handle
back to back calling of stop tz service from userspace.

Change-Id: Iaf3d65adc724673491f6fcbe67aab8e20adccae1
Signed-off-by: default avatarJaiju Yesudasan <cjaijuy@codeaurora.org>
parent becfd28d

drivers/misc/profiler.c

+6 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 


static struct class *driver_class;

static dev_t profiler_device_no;

static int stop_done = 1;



struct profiler_control {
@@ -212,6 +213,10 @@ static int bw_profiling_stop(struct tz_bw_svc_buf *bwbuf) 
{

	struct tz_bw_svc_stop_req *bwstopreq = NULL;



	if (stop_done) {

		stop_done--;

		return 0;

	}

	bwstopreq = (struct tz_bw_svc_stop_req *) &bwbuf->bwreq;

	/* Populate request data */

	bwstopreq->cmd_id = TZ_BW_SVC_STOP_ID;
@@ -253,6 +258,7 @@ static int profiler_get_bw_info(void __user *argp) 
		ret = bw_profiling_stop(bwbuf);

		if (ret)

			pr_err("bw_profiling_stop Failed with ret: %d\n", ret);

		stop_done++;

		break;

	}

	default: