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From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: gregkh@linuxfoundation.org
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 4/6] coresight: etm4x: core: Remove redundant check of attr
Date: Mon, 14 Jun 2021 11:58:59 -0600	[thread overview]
Message-ID: <20210614175901.532683-5-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <20210614175901.532683-1-mathieu.poirier@linaro.org>

From: Junhao He <hejunhao2@hisilicon.com>

"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>
---
 drivers/hwtracing/coresight/coresight-etm4x-core.c | 5 -----
 1 file changed, 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));
 
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: gregkh@linuxfoundation.org
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 4/6] coresight: etm4x: core: Remove redundant check of attr
Date: Mon, 14 Jun 2021 11:58:59 -0600	[thread overview]
Message-ID: <20210614175901.532683-5-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <20210614175901.532683-1-mathieu.poirier@linaro.org>

From: Junhao He <hejunhao2@hisilicon.com>

"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>
---
 drivers/hwtracing/coresight/coresight-etm4x-core.c | 5 -----
 1 file changed, 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));
 
-- 
2.25.1


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  parent reply	other threads:[~2021-06-14 17:59 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-14 17:58 [PATCH 0/6] coresight: Patches for v5.14 Mathieu Poirier
2021-06-14 17:58 ` Mathieu Poirier
2021-06-14 17:58 ` [PATCH 1/6] coresight: core: Switch to krealloc_array() Mathieu Poirier
2021-06-14 17:58   ` Mathieu Poirier
2021-06-14 17:58 ` [PATCH 2/6] coresight: core: Fix use of uninitialized pointer Mathieu Poirier
2021-06-14 17:58   ` Mathieu Poirier
2021-06-14 17:58 ` [PATCH 3/6] coresight: core: Remove unnecessary assignment Mathieu Poirier
2021-06-14 17:58   ` Mathieu Poirier
2021-06-14 17:58 ` Mathieu Poirier [this message]
2021-06-14 17:58   ` [PATCH 4/6] coresight: etm4x: core: Remove redundant check of attr Mathieu Poirier
2021-06-14 17:59 ` [PATCH 5/6] coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer() Mathieu Poirier
2021-06-14 17:59   ` Mathieu Poirier
2021-06-14 17:59 ` [PATCH 6/6] coresight: Propagate symlink failure Mathieu Poirier
2021-06-14 17:59   ` Mathieu Poirier
2021-06-15  7:31 ` [PATCH 0/6] coresight: Patches for v5.14 Greg KH
2021-06-15  7:31   ` Greg KH

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