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Commit 12d07c9e authored by Yuanfang Zhang's avatar Yuanfang Zhang Committed by Gerrit - the friendly Code Review server
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coresight-tmc-etr: use sysfs_buf in tmc_sg_get_rwp_offset() 



When usb bypass start, etr_buf may be null. If etr disable hw is
called at the same time. Use sysfs_buf in tmc_sg_get_rwp_offset to
avoid this issue.

Change-Id: Id1e45269d08f61413d385de7aa46df4cc3d8c44d
Signed-off-by: default avatarYuanfang Zhang <zhangyuanfang@codeaurora.org>
parent a0e35cc3

drivers/hwtracing/coresight/coresight-tmc-etr.c

+1 −1
Original line number Diff line number Diff line
@@ -275,7 +275,7 @@ void tmc_free_sg_table(struct tmc_sg_table *sg_table) 


long tmc_sg_get_rwp_offset(struct tmc_drvdata *drvdata)

{

	struct etr_buf *etr_buf = drvdata->etr_buf;

	struct etr_buf *etr_buf = drvdata->sysfs_buf;

	struct etr_sg_table *etr_table = etr_buf->private;

	struct tmc_sg_table *table = etr_table->sg_table;

	u64 rwp;