Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cebc3474 authored by Shaoqing Liu's avatar Shaoqing Liu Committed by Gerrit - the friendly Code Review server
Browse files

coresight: tpdm: restore mcmb pointer after memset 



Restore mcmb pointer after memset in reset_store.

Change-Id: I607e369f8836f0405da3110d6400cde6ace7a186
Signed-off-by: default avatarShaoqing Liu <shaoqingliu@codeaurora.org>
parent 65fdc3ff

drivers/hwtracing/coresight/coresight-tpdm.c

+5 −1
Original line number Diff line number Diff line
@@ -896,6 +896,7 @@ static ssize_t reset_store(struct device *dev, 
{

	int ret = 0;

	unsigned long val;

	struct mcmb_dataset *mcmb_temp = NULL;

	struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent);



	ret = kstrtoul(buf, 10, &val);
@@ -914,11 +915,14 @@ static ssize_t reset_store(struct device *dev, 
		memset(drvdata->dsb, 0, sizeof(struct dsb_dataset));



	if (drvdata->cmb != NULL) {

		if (drvdata->cmb->mcmb != NULL)

		if (drvdata->cmb->mcmb != NULL) {

			mcmb_temp = drvdata->cmb->mcmb;

			memset(drvdata->cmb->mcmb, 0,

				sizeof(struct mcmb_dataset));

			}



		memset(drvdata->cmb, 0, sizeof(struct cmb_dataset));

		drvdata->cmb->mcmb = mcmb_temp;

	}

	/* Init the default data */

	tpdm_init_default_data(drvdata);