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authorAkinobu Mita <akinobu.mita@gmail.com>2008-07-04 06:33:20 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 07:19:04 -0300
commita8a89b7f60f18c2517c3b950f5ecede0626363eb (patch)
treeb1c1019e5606b92e2f70439b71cedde7b6d29b47 /drivers
parent3fce3fb0592841857ae01334d0c6934c1ad32faf (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')
-rw-r--r--drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c18
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)