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authorJunhao He <hejunhao2@hisilicon.com>2021-06-14 11:58:59 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-15 09:31:26 +0200
commitaf36b6859a2ef0af516c5b9118580d1598070942 (patch)
tree4f077647bd65dba72ab56ea2d6e25b6b86f5c30c /drivers/hwtracing
parente12f6b5593e48065347a4213ad8ec3981c248fba (diff)
downloadlinux-af36b6859a2ef0af516c5b9118580d1598070942.tar.bz2
coresight: etm4x: core: Remove redundant check of attr
"attr" is checked by perf framework, so remove the redundant check in etm4_parse_event_config(). Link: https://lore.kernel.org/r/1620912469-52222-4-git-send-email-liuqi115@huawei.com Signed-off-by: Junhao He <hejunhao2@hisilicon.com> Signed-off-by: Qi Liu <liuqi115@huawei.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20210614175901.532683-5-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x-core.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index db881993c211..da27cd4a3c38 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -568,11 +568,6 @@ static int etm4_parse_event_config(struct etmv4_drvdata *drvdata,
struct etmv4_config *config = &drvdata->config;
struct perf_event_attr *attr = &event->attr;
- if (!attr) {
- ret = -EINVAL;
- goto out;
- }
-
/* Clear configuration from previous run */
memset(config, 0, sizeof(struct etmv4_config));