diff options
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index 306465ededf9..766b052ade1d 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -1143,6 +1143,12 @@ static int tmc_read_prepare(struct tmc_drvdata *drvdata) goto err; } + if (drvdata->config_type == TMC_CONFIG_TYPE_ETR && + drvdata->vaddr == NULL) { + ret = -ENOMEM; + goto err; + } + if (!drvdata->enable) goto out; |