The patch titled
ttusb: use simple_read_from_buffer()()
has been added to the -mm tree. Its filename is
ttusb-use-simple_read_from_buffer.patch
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------------------------------------------------------
Subject: ttusb: use simple_read_from_buffer()()
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
Cc: Andrew de Quincey <adq_dvb@xxxxxxxxxxxxx>
Cc: Johannes Stezenbach <js@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c | 18 ++----------
1 file changed, 3 insertions(+), 15 deletions(-)
diff -puN drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c~ttusb-use-simple_read_from_buffer drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c~ttusb-use-simple_read_from_buffer
+++ a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -19,6 +19,7 @@
#include <linux/errno.h>
#include <linux/jiffies.h>
#include <linux/mutex.h>
+#include <linux/fs.h>
#include "dvb_frontend.h"
#include "dmxdev.h"
@@ -983,22 +984,9 @@ static int stc_open(struct inode *inode,
}
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)
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
lib-export-bitrev16.patch
bluetooth-hci_bcspc-small-cleanups-api-users.patch
bluetooth-hci_bcspc-small-cleanups-api-users-fix.patch
binfmt_misc-use-simple_read_from_buffer.patch
ocfs2-use-simple_read_from_buffer.patch
ipc-use-simple_read_from_buffer.patch
isdn-use-simple_read_from_buffer.patch
s390-vmcp-use-simple_read_from_buffer.patch
s390-use-simple_read_from_buffer.patch
nwflash-use-simple_read_from_buffer.patch
usbmon-use-simple_read_from_buffer.patch
ttusb-use-simple_read_from_buffer.patch
airo-use-simple_read_from_buffer.patch
cris-use-simple_read_from_buffer.patch
introduce-memory_read_from_buffer.patch
dcdbas-use-memory_read_from_buffer.patch
dell_rbu-use-memory_read_from_buffer.patch
firmware-use-memory_read_from_buffer.patch
acpi-use-memory_read_from_buffer.patch
aty-use-memory_read_from_buffer.patch
zorro-use-memory_read_from_buffer.patch
s390-cio-use-memory_read_from_buffer.patch
s390-use-memory_read_from_buffer.patch
ipr-use-memory_read_from_buffer.patch
qla2xxx-use-memory_read_from_buffer.patch
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