From 607cfab6e7bce8049e61795e86f9bbbe07abd514 Mon Sep 17 00:00:00 2001 From: Andreas Mohr Date: Mon, 14 Sep 2009 19:13:29 -0300 Subject: V4L/DVB (13003): Correct dangerous and inefficient msecs_to_jiffies() calculation in some V4L2 drivers Signed-off-by: Andreas Mohr Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/et61x251/et61x251_core.c | 6 ++++-- drivers/media/video/sn9c102/sn9c102_core.c | 6 ++++-- drivers/media/video/zc0301/zc0301_core.c | 6 ++++-- 3 files changed, 12 insertions(+), 6 deletions(-) (limited to 'drivers') diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c index d1c1e457f0b9..74092f436be6 100644 --- a/drivers/media/video/et61x251/et61x251_core.c +++ b/drivers/media/video/et61x251/et61x251_core.c @@ -1379,8 +1379,10 @@ et61x251_read(struct file* filp, char __user * buf, (!list_empty(&cam->outqueue)) || (cam->state & DEV_DISCONNECTED) || (cam->state & DEV_MISCONFIGURED), - cam->module_param.frame_timeout * - 1000 * msecs_to_jiffies(1) ); + msecs_to_jiffies( + cam->module_param.frame_timeout * 1000 + ) + ); if (timeout < 0) { mutex_unlock(&cam->fileop_mutex); return timeout; diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 23edfdc4d4bc..9d84c94e8a40 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -1954,8 +1954,10 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) (!list_empty(&cam->outqueue)) || (cam->state & DEV_DISCONNECTED) || (cam->state & DEV_MISCONFIGURED), - cam->module_param.frame_timeout * - 1000 * msecs_to_jiffies(1) ); + msecs_to_jiffies( + cam->module_param.frame_timeout * 1000 + ) + ); if (timeout < 0) { mutex_unlock(&cam->fileop_mutex); return timeout; diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c index 96971044fc78..b3c6436b33ba 100644 --- a/drivers/media/video/zc0301/zc0301_core.c +++ b/drivers/media/video/zc0301/zc0301_core.c @@ -819,8 +819,10 @@ zc0301_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) (!list_empty(&cam->outqueue)) || (cam->state & DEV_DISCONNECTED) || (cam->state & DEV_MISCONFIGURED), - cam->module_param.frame_timeout * - 1000 * msecs_to_jiffies(1) ); + msecs_to_jiffies( + cam->module_param.frame_timeout * 1000 + ) + ); if (timeout < 0) { mutex_unlock(&cam->fileop_mutex); return timeout; -- cgit v1.2.3