linux-kernel - [PATCH v2 2/2] media: stm32-dcmi: use devm_kmemdup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20250228073649.152157-3-raag.jadav@intel.com>
Date: Fri, 28 Feb 2025 13:06:49 +0530
From: Raag Jadav <raag.jadav@...el.com>
To: eugen.hristev@...aro.org,
	mchehab@...nel.org,
	nicolas.ferre@...rochip.com,
	alexandre.belloni@...tlin.com,
	claudiu.beznea@...on.dev,
	hugues.fruchet@...s.st.com,
	alain.volmat@...s.st.com,
	mcoquelin.stm32@...il.com,
	alexandre.torgue@...s.st.com,
	andriy.shevchenko@...ux.intel.com,
	sakari.ailus@...ux.intel.com
Cc: linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Raag Jadav <raag.jadav@...el.com>
Subject: [PATCH v2 2/2] media: stm32-dcmi: use devm_kmemdup_array()

Convert to use devm_kmemdup_array() and while at it, make the size robust
against type changes.

Signed-off-by: Raag Jadav <raag.jadav@...el.com>
---
 drivers/media/platform/st/stm32/stm32-dcmi.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/st/stm32/stm32-dcmi.c b/drivers/media/platform/st/stm32/stm32-dcmi.c
index 9b699ee2b1e0..eedc15b30edc 100644
--- a/drivers/media/platform/st/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/st/stm32/stm32-dcmi.c
@@ -1682,18 +1682,14 @@ static int dcmi_formats_init(struct stm32_dcmi *dcmi)
 		return -ENXIO;
 
 	dcmi->num_of_sd_formats = num_fmts;
-	dcmi->sd_formats = devm_kcalloc(dcmi->dev,
-					num_fmts, sizeof(struct dcmi_format *),
-					GFP_KERNEL);
+	dcmi->sd_formats = devm_kmemdup_array(dcmi->dev, sd_fmts, num_fmts,
+					      sizeof(sd_fmts[0]), GFP_KERNEL);
 	if (!dcmi->sd_formats) {
 		dev_err(dcmi->dev, "Could not allocate memory\n");
 		return -ENOMEM;
 	}
 
-	memcpy(dcmi->sd_formats, sd_fmts,
-	       num_fmts * sizeof(struct dcmi_format *));
 	dcmi->sd_format = dcmi->sd_formats[0];
-
 	return 0;
 }
 
-- 
2.34.1