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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: qemu-devel@nongnu.org, Gabriel Somlo <somlo@cmu.edu>,
	"Michael S. Tsirkin" <mst@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors@vger.kernel.org,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: [Qemu-devel] [PATCH 2/6] firmware-qemu_fw_cfg: Improve a size determination in fw_cfg_register_file()
Date: Sun, 18 Sep 2016 14:52:47 +0200	[thread overview]
Message-ID: <6517cf5c-06ea-8b97-b2f2-b4e0253ed48f@users.sourceforge.net> (raw)
In-Reply-To: <a736b350-a691-c73b-b8e9-67c0bffb716a@users.sourceforge.net>

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 18 Sep 2016 10:43:27 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/firmware/qemu_fw_cfg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c
index e69653e..a229df6 100644
--- a/drivers/firmware/qemu_fw_cfg.c
+++ b/drivers/firmware/qemu_fw_cfg.c
@@ -458,7 +458,7 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f)
 		return -ENOMEM;
 
 	/* set file entry information */
-	memcpy(&entry->f, f, sizeof(struct fw_cfg_file));
+	memcpy(&entry->f, f, sizeof(*f));
 
 	/* register entry under "/sys/firmware/qemu_fw_cfg/by_key/" */
 	err = kobject_init_and_add(&entry->kobj, &fw_cfg_sysfs_entry_ktype,
-- 
2.10.0

  parent reply	other threads:[~2016-09-18 12:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <566ABCD9.1060404@users.sourceforge.net>
2016-09-18 12:48 ` [Qemu-devel] [PATCH 0/6] firmware-qemu_fw_cfg: Fine-tuning for four function implementations SF Markus Elfring
2016-09-18 12:50   ` [Qemu-devel] [PATCH 1/6] firmware-qemu_fw_cfg: Use kmalloc_array() in fw_cfg_register_dir_entries() SF Markus Elfring
2016-09-18 12:52   ` SF Markus Elfring [this message]
2016-09-18 12:53   ` [Qemu-devel] [PATCH 3/6] firmware-qemu_fw_cfg: Rename jump labels in fw_cfg_register_file() SF Markus Elfring
2016-09-18 12:55   ` [Qemu-devel] [PATCH 4/6] firmware-qemu_fw_cfg: Improve a size determination in fw_cfg_build_symlink() SF Markus Elfring
2016-09-18 12:56   ` [Qemu-devel] [PATCH 5/6] firmware-qemu_fw_cfg: Rename jump labels in fw_cfg_sysfs_probe() SF Markus Elfring
2016-09-18 12:58   ` [Qemu-devel] [PATCH 6/6] firmware-qemu_fw_cfg: Move a variable assignment " SF Markus Elfring
2016-09-20 11:09   ` [Qemu-devel] [PATCH 0/6] firmware-qemu_fw_cfg: Fine-tuning for four function implementations Gabriel L. Somlo

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