rt2x00: Fix chipset debugfs file

Initialize blob->data before moving the data pointer
Initialize blob->size based on blob->data size

This fixes the empty chipset file in debugfs.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index e72c981..c55bf0e 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -417,6 +417,7 @@ static struct dentry *rt2x00debug_create_file_chipset(const char *name,
        if (!data)
                return NULL;
 
+       blob->data = data;
        data += sprintf(data, "rt chip: %04x\n", intf->rt2x00dev->chip.rt);
        data += sprintf(data, "rf chip: %04x\n", intf->rt2x00dev->chip.rf);
        data += sprintf(data, "revision:%08x\n", intf->rt2x00dev->chip.rev);
@@ -425,9 +426,7 @@ static struct dentry *rt2x00debug_create_file_chipset(const char *name,
        data += sprintf(data, "eeprom length: %d\n", debug->eeprom.word_count);
        data += sprintf(data, "bbp length: %d\n", debug->bbp.word_count);
        data += sprintf(data, "rf length: %d\n", debug->rf.word_count);
-
-       blob->data = data;
-       blob->size = strlen(data);
+       blob->size = strlen(blob->data);
 
        return debugfs_create_blob(name, S_IRUGO, intf->driver_folder, blob);
 }