From: Roel Kluin <roel.kluin@gmail.com>
To: hverkuil@xs4all.nl, mchehab@infradead.org
Cc: linux-media@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] media: remove redundant tests on unsigned
Date: Mon, 22 Jun 2009 17:30:52 +0200 [thread overview]
Message-ID: <4A3FA3AC.1010703@gmail.com> (raw)
input, inp and i are unsigned. When negative they are wrapped and caught by the
other test.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index ce64c62..8986d96 100644
--- a/drivers/media/dvb/ttpci/av7110_v4l.c
+++ b/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -490,7 +490,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
if (!av7110->analog_tuner_flags)
return 0;
- if (input < 0 || input >= 4)
+ if (input >= 4)
return -EINVAL;
av7110->current_input = input;
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index d7b1921..fc76e4d 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -605,7 +605,7 @@ int cx18_s_input(struct file *file, void *fh, unsigned int inp)
if (ret)
return ret;
- if (inp < 0 || inp >= cx->nof_inputs)
+ if (inp >= cx->nof_inputs)
return -EINVAL;
if (inp == cx->active_input) {
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index e305c16..103096b 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1797,7 +1797,7 @@ static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
if (0 != err)
return err;
- if (i < 0 || i >= SAA7134_INPUT_MAX)
+ if (i >= SAA7134_INPUT_MAX)
return -EINVAL;
if (NULL == card_in(dev, i).name)
return -EINVAL;
reply other threads:[~2009-06-22 13:30 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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