diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-07-04 06:33:20 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 07:19:04 -0300 |
| commit | a8a89b7f60f18c2517c3b950f5ecede0626363eb (patch) | |
| tree | b1c1019e5606b92e2f70439b71cedde7b6d29b47 /drivers/media/dvb | |
| parent | 3fce3fb0592841857ae01334d0c6934c1ad32faf (diff) | |
V4L/DVB (8251): ttusb: use simple_read_from_buffer()()
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c | 18 |
1 files 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 15607223937..e6c9cd2e3b9 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 <linux/init.h> #include <linux/slab.h> #include <linux/wait.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/usb.h> #include <linux/delay.h> @@ -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) |