From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Sun, 27 Dec 2015 21:22:41 +0000 Subject: [PATCH] [media] bttv: Returning only value constants in two functions Message-Id: <568056A1.8050602@users.sourceforge.net> List-Id: References: <566ABCD9.1060404@users.sourceforge.net> In-Reply-To: <566ABCD9.1060404@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-media@vger.kernel.org, Mauro Carvalho Chehab Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Sun, 27 Dec 2015 22:02:21 +0100 Return constant integer values without storing them in the local variable "err" or "rc". Signed-off-by: Markus Elfring --- drivers/media/pci/bt8xx/bttv-driver.c | 25 ++++++------------------- 1 file changed, 6 insertions(+), 19 deletions(-) diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index 9400e99..cd7d6ef 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -1726,22 +1726,15 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id id) struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; unsigned int i; - int err = 0; for (i = 0; i < BTTV_TVNORMS; i++) if (id & bttv_tvnorms[i].v4l2_id) break; - if (i = BTTV_TVNORMS) { - err = -EINVAL; - goto err; - } - + if (i = BTTV_TVNORMS) + return -EINVAL; btv->std = id; set_tvnorm(btv, i); - -err: - - return err; + return 0; } static int bttv_g_std(struct file *file, void *priv, v4l2_std_id *id) @@ -1770,12 +1763,9 @@ static int bttv_enum_input(struct file *file, void *priv, { struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - int rc = 0; - if (i->index >= bttv_tvcards[btv->c.type].video_inputs) { - rc = -EINVAL; - goto err; - } + if (i->index >= bttv_tvcards[btv->c.type].video_inputs) + return -EINVAL; i->type = V4L2_INPUT_TYPE_CAMERA; i->audioset = 0; @@ -1799,10 +1789,7 @@ static int bttv_enum_input(struct file *file, void *priv, } i->std = BTTV_NORMS; - -err: - - return rc; + return 0; } static int bttv_g_input(struct file *file, void *priv, unsigned int *i) -- 2.6.3