From: Markus Elfring <Markus.Elfring@web.de>
To: linux-fpga@vger.kernel.org, kernel-janitors@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Luwei Kang <luwei.kang@intel.com>,
Moritz Fischer <mdf@kernel.org>, Tom Rix <trix@redhat.com>,
Wu Hao <hao.wu@intel.com>, Xu Yilun <yilun.xu@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Kunwu Chan <chentao@kylinos.cn>
Subject: [PATCH] fpga: dfl: fme: Return directly after a failed devm_kasprintf() call in fme_perf_pmu_register()
Date: Sat, 27 Jan 2024 15:55:19 +0100 [thread overview]
Message-ID: <d94376b6-12e8-45bb-a9be-4887bb316d35@web.de> (raw)
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sat, 27 Jan 2024 15:43:42 +0100
The result from a call of the function “devm_kasprintf” was passed to
a subsequent function call without checking for a null pointer before
(according to a memory allocation failure).
This issue was detected by using the Coccinelle software.
Thus return directly after a failed devm_kasprintf() call.
Fixes: 724142f8c42a7 ("fpga: dfl: fme: add performance reporting support")
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/fpga/dfl-fme-perf.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c
index 7422d2bc6f37..db56d52411ef 100644
--- a/drivers/fpga/dfl-fme-perf.c
+++ b/drivers/fpga/dfl-fme-perf.c
@@ -925,6 +925,8 @@ static int fme_perf_pmu_register(struct platform_device *pdev,
PERF_PMU_CAP_NO_EXCLUDE;
name = devm_kasprintf(priv->dev, GFP_KERNEL, "dfl_fme%d", pdev->id);
+ if (!name)
+ return -ENOMEM;
ret = perf_pmu_register(pmu, name, -1);
if (ret)
--
2.43.0
next reply other threads:[~2024-01-27 14:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-27 14:55 Markus Elfring [this message]
2024-01-30 10:03 ` [PATCH] fpga: dfl: fme: Return directly after a failed devm_kasprintf() call in fme_perf_pmu_register() Xu Yilun
2024-01-30 10:27 ` Xu Yilun
2024-01-30 10:48 ` Markus Elfring
2024-01-30 13:59 ` Xu Yilun
2024-01-31 7:42 ` Markus Elfring
2024-01-30 14:11 ` [PATCH] " Greg Kroah-Hartman
2024-01-30 15:49 ` Dan Carpenter
2024-01-30 17:09 ` Markus Elfring
2024-01-30 17:13 ` Greg Kroah-Hartman
2024-01-31 5:43 ` Dan Carpenter
2024-01-31 7:51 ` Markus Elfring
2024-02-02 7:57 ` Markus Elfring
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