From: Markus Elfring <Markus.Elfring@web.de>
To: greybus-dev@lists.linaro.org, Alex Elder <elder@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Johan Hovold <johan@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
kernel-janitors@vger.kernel.org,
Mark Greer <mgreer@animalcreek.com>,
Miaoqian Lin <linmq006@gmail.com>
Subject: [PATCH] greybus: es2: Use pointer from memcpy() call for assignment in output_async()
Date: Fri, 31 Oct 2025 19:57:47 +0100 [thread overview]
Message-ID: <b542b028-4f9b-44cd-aca7-5d4977c2faa4@web.de> (raw)
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 31 Oct 2025 19:50:39 +0100
A pointer was assigned to a variable. The same pointer was used for
the destination parameter of a memcpy() call.
This function is documented in the way that the same value is returned.
Thus convert two separate statements into a direct variable assignment for
the return value from a memory copy action.
The source code was transformed by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/greybus/es2.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/greybus/es2.c b/drivers/greybus/es2.c
index 7630a36ecf81..d71d37b41a66 100644
--- a/drivers/greybus/es2.c
+++ b/drivers/greybus/es2.c
@@ -194,8 +194,7 @@ static int output_async(struct es2_ap_dev *es2, void *req, u16 size, u8 cmd)
return -ENOMEM;
}
- buf = (u8 *)dr + sizeof(*dr);
- memcpy(buf, req, size);
+ buf = memcpy((u8 *)dr + sizeof(*dr), req, size);
dr->bRequest = cmd;
dr->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE;
--
2.51.1
next reply other threads:[~2025-10-31 18:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-31 18:57 Markus Elfring [this message]
2025-11-04 11:41 ` Johan Hovold
2025-11-04 11:55 ` Markus Elfring
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