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dcdbas: use memory_read_from_buffer()
author
Akinobu Mita
<akinobu.mita@gmail.com>
Fri, 25 Jul 2008 08:48:24 +0000
(
01:48
-0700)
committer
Linus Torvalds
<torvalds@linux-foundation.org>
Fri, 25 Jul 2008 17:53:44 +0000
(10:53 -0700)
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Doug Warzecha <Douglas_Warzecha@dell.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/firmware/dcdbas.c
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diff --git
a/drivers/firmware/dcdbas.c
b/drivers/firmware/dcdbas.c
index
0b624e9
..
c66817e
100644
(file)
--- a/
drivers/firmware/dcdbas.c
+++ b/
drivers/firmware/dcdbas.c
@@
-152,20
+152,11
@@
static ssize_t smi_data_read(struct kobject *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;
}