From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ezequiel Garcia Date: Tue, 23 Oct 2012 19:57:17 +0000 Subject: [PATCH 14/23] tuners/tda18271: Replace memcpy with struct assignment Message-Id: <1351022246-8201-14-git-send-email-elezegarcia@gmail.com> List-Id: References: <1351022246-8201-1-git-send-email-elezegarcia@gmail.com> In-Reply-To: <1351022246-8201-1-git-send-email-elezegarcia@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: Julia.Lawall@lip6.fr, kernel-janitors@vger.kernel.org, Ezequiel Garcia , Peter Senna Tschudin This kind of memcpy() is error-prone. Its replacement with a struct assignment is prefered because it's type-safe and much easier to read. Found by coccinelle. Hand patched and reviewed. Tested by compilation only. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ identifier struct_name; struct struct_name to; struct struct_name from; expression E; @@ -memcpy(&(to), &(from), E); +to = from; // Signed-off-by: Peter Senna Tschudin Signed-off-by: Ezequiel Garcia --- drivers/media/tuners/tda18271-maps.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/tuners/tda18271-maps.c b/drivers/media/tuners/tda18271-maps.c index fb881c6..b62e925 100644 --- a/drivers/media/tuners/tda18271-maps.c +++ b/drivers/media/tuners/tda18271-maps.c @@ -1290,13 +1290,11 @@ int tda18271_assign_map_layout(struct dvb_frontend *fe) switch (priv->id) { case TDA18271HDC1: priv->maps = &tda18271c1_map_layout; - memcpy(&priv->std, &tda18271c1_std_map, - sizeof(struct tda18271_std_map)); + priv->std = tda18271c1_std_map; break; case TDA18271HDC2: priv->maps = &tda18271c2_map_layout; - memcpy(&priv->std, &tda18271c2_std_map, - sizeof(struct tda18271_std_map)); + priv->std = tda18271c2_std_map; break; default: ret = -EINVAL; -- 1.7.4.4