From bc147135bc410bdd9da684646af75a188d882d56 Mon Sep 17 00:00:00 2001 From: Trent Piepho Date: Mon, 23 Jul 2007 06:58:31 -0300 Subject: [PATCH] V4L/DVB (5900): usbvision: fix bugs [sg]_register functions s_register was assigning the return code to (unsigned)reg->val, rather than errCode, which it what it would return. Except reg->val can't be < 0, so it would never actually return an error. g_register never actually put the value it read into reg->val. Signed-off-by: Trent Piepho Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvision/usbvision-video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index 868b6886fe7..e3371f97224 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -517,6 +517,7 @@ static int vidioc_g_register (struct file *file, void *priv, __FUNCTION__, errCode); return errCode; } + reg->val = errCode; return 0; } @@ -531,8 +532,8 @@ static int vidioc_s_register (struct file *file, void *priv, if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) return -EINVAL; /* NT100x has a 8-bit register space */ - reg->val = (u8)usbvision_write_reg(usbvision, reg->reg&0xff, reg->val); - if (reg->val < 0) { + errCode = usbvision_write_reg(usbvision, reg->reg&0xff, reg->val); + if (errCode < 0) { err("%s: VIDIOC_DBG_S_REGISTER failed: error %d", __FUNCTION__, errCode); return errCode; -- 2.20.1