diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-07-25 01:48:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:44 -0700 |
| commit | abe19b7b822a8fdbe3dbfd6e066d0698b4eefb06 (patch) | |
| tree | 1b0ec57d3716c12c87502127bc34900777bd02b7 /drivers | |
| parent | f37e66173e0cc09b4e5a89eb0294abbefc15f435 (diff) | |
dcdbas: use memory_read_from_buffer()
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/dcdbas.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c index 0b624e927a6..c66817e7717 100644 --- 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; } |