iwlegacy: 4965-rs: cleanup il4965_rs_sta_dbgfs_rate_scale_data_read

1) remove ret local var and return the result directly
2) remove il since it is not used

Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>

diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c
index 162c778773ec6f274a8d5416b1833f697e7023fb..467d0cb14ecdf56213839126ac08ac8c03668834 100644 (file)
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -2769,14 +2769,9 @@ il4965_rs_sta_dbgfs_rate_scale_data_read(struct file *file,
 {
        char buff[120];
        int desc = 0;
-       ssize_t ret;
-
        struct il_lq_sta *lq_sta = file->private_data;
-       struct il_priv *il;
        struct il_scale_tbl_info *tbl = &lq_sta->lq_info[lq_sta->active_tbl];
 
-       il = lq_sta->drv;
-
        if (is_Ht(tbl->lq_type))
                desc +=
                    sprintf(buff + desc, "Bit Rate= %d Mb/s\n",
@@ -2786,8 +2781,7 @@ il4965_rs_sta_dbgfs_rate_scale_data_read(struct file *file,
                    sprintf(buff + desc, "Bit Rate= %d Mb/s\n",
                            il_rates[lq_sta->last_txrate_idx].ieee >> 1);
 
-       ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
-       return ret;
+       return simple_read_from_buffer(user_buf, count, ppos, buff, desc);
 }
 
 static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = {