sysfs: Fixup MCA sysfs files.

- Remove count and off parameters from show() methods.
- Remove manual handling of reading from an offset, since the sysfs core
  handles that now.
- Remove temp. buffer.

diff --git a/drivers/mca/mca-bus.c b/drivers/mca/mca-bus.c
index 651fb33a283f264d484f1ac346c5ea7ce13bf276..a6a9d02d34597ab9cc958cb891f84225b24e2fc0 100644 (file)
--- a/drivers/mca/mca-bus.c
+++ b/drivers/mca/mca-bus.c
@@ -69,47 +69,28 @@ struct bus_type mca_bus_type = {
 };
 EXPORT_SYMBOL (mca_bus_type);
 
-static ssize_t mca_show_pos_id(struct device *dev, char *buf, size_t count,
-                              loff_t off)
+static ssize_t mca_show_pos_id(struct device *dev, char *buf)
 {
        /* four digits, \n and trailing \0 */
-       char mybuf[6];
        struct mca_device *mca_dev = to_mca_device(dev);
        int len;
 
        if(mca_dev->pos_id < MCA_DUMMY_POS_START)
-               len = sprintf(mybuf, "%04x\n", mca_dev->pos_id);
+               len = sprintf(buf, "%04x\n", mca_dev->pos_id);
        else
-               len = sprintf(mybuf, "none\n");
-
-       len++;
-       if(len > off) {
-               len = min((size_t)(len - off), count);
-               memcpy(buf + off, mybuf + off, len);
-       } else {
-               len = 0;
-       }
+               len = sprintf(buf, "none\n");
        return len;
 }
-static ssize_t mca_show_pos(struct device *dev, char *buf, size_t count,
-                           loff_t off)
+static ssize_t mca_show_pos(struct device *dev, char *buf)
 {
        /* enough for 8 two byte hex chars plus space and new line */
-       char mybuf[26];
        int j, len=0;
        struct mca_device *mca_dev = to_mca_device(dev);
 
        for(j=0; j<8; j++)
-               len += sprintf(mybuf+len, "%02x ", mca_dev->pos[j]);
+               len += sprintf(buf+len, "%02x ", mca_dev->pos[j]);
        /* change last trailing space to new line */
-       mybuf[len-1] = '\n';
-       len++;
-       if(len > off) {
-               len = min((size_t)(len - off), count);
-               memcpy(buf + off, mybuf + off, len);
-       } else {
-               len = 0;
-       }
+       buf[len-1] = '\n';
        return len;
 }