From a8a89b7f60f18c2517c3b950f5ecede0626363eb Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 4 Jul 2008 06:33:20 -0300 Subject: [PATCH] V4L/DVB (8251): ttusb: use simple_read_from_buffer()() Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- .../media/dvb/ttusb-budget/dvb-ttusb-budget.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 156072239374..e6c9cd2e3b94 100644 --- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -990,22 +991,9 @@ static int stc_open(struct inode *inode, struct file *file) } static ssize_t stc_read(struct file *file, char *buf, size_t count, - loff_t * offset) + loff_t *offset) { - int tc = count; - - if ((tc + *offset) > 8192) - tc = 8192 - *offset; - - if (tc < 0) - return 0; - - if (copy_to_user(buf, stc_firmware + *offset, tc)) - return -EFAULT; - - *offset += tc; - - return tc; + return simple_read_from_buffer(buf, count, offset, stc_firmware, 8192); } static int stc_release(struct inode *inode, struct file *file) -- 2.20.1