The patch titled
dcdbas: use memory_read_from_buffer()
has been added to the -mm tree. Its filename is
dcdbas-use-memory_read_from_buffer.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: dcdbas: use memory_read_from_buffer()
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Doug Warzecha <Douglas_Warzecha@xxxxxxxx>
Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
Cc: Matt Domsch <Matt_Domsch@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/dcdbas.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff -puN drivers/firmware/dcdbas.c~dcdbas-use-memory_read_from_buffer drivers/firmware/dcdbas.c
--- a/drivers/firmware/dcdbas.c~dcdbas-use-memory_read_from_buffer
+++ a/drivers/firmware/dcdbas.c
@@ -34,6 +34,7 @@
#include <linux/string.h>
#include <linux/types.h>
#include <linux/mutex.h>
+#include <linux/fs.h>
#include <asm/io.h>
#include "dcdbas.h"
@@ -152,20 +153,11 @@ static ssize_t smi_data_read(struct kobj
struct bin_attribute *bin_attr,
char *buf, loff_t pos, size_t count)
{
- size_t max_read;
ssize_t ret;
mutex_lock(&smi_data_lock);
-
- if (pos >= smi_data_buf_size) {
- ret = 0;
- goto out;
- }
-
- max_read = smi_data_buf_size - pos;
- ret = min(max_read, count);
- memcpy(buf, smi_data_buf + pos, ret);
-out:
+ ret = memory_read_from_buffer(buf, count, &pos, smi_data_buf,
+ smi_data_buf_size);
mutex_unlock(&smi_data_lock);
return ret;
}
_
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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