The patch titled
s390/cio: use memory_read_from_buffer()
has been added to the -mm tree. Its filename is
s390-cio-use-memory_read_from_buffer.patch
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------------------------------------------------------
Subject: s390/cio: use memory_read_from_buffer()
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Peter Oberparleiter <peter.oberparleiter@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/s390/cio/chp.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff -puN drivers/s390/cio/chp.c~s390-cio-use-memory_read_from_buffer drivers/s390/cio/chp.c
--- a/drivers/s390/cio/chp.c~s390-cio-use-memory_read_from_buffer
+++ a/drivers/s390/cio/chp.c
@@ -15,6 +15,7 @@
#include <linux/wait.h>
#include <linux/mutex.h>
#include <linux/errno.h>
+#include <linux/fs.h>
#include <asm/chpid.h>
#include <asm/sclp.h>
@@ -143,21 +144,14 @@ static ssize_t chp_measurement_chars_rea
{
struct channel_path *chp;
struct device *device;
- unsigned int size;
device = container_of(kobj, struct device, kobj);
chp = to_channelpath(device);
if (!chp->cmg_chars)
return 0;
- size = sizeof(struct cmg_chars);
-
- if (off > size)
- return 0;
- if (off + count > size)
- count = size - off;
- memcpy(buf, chp->cmg_chars + off, count);
- return count;
+ return memory_read_from_buffer(buf, count, &off,
+ chp->cmg_chars, sizeof(struct cmg_chars));
}
static struct bin_attribute chp_measurement_chars_attr = {
_
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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