cxgb4: Fix frame size warning for 32 bit arch

Fixes below warning by dynamically allocating memory

All warnings:

   drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c: In function
   'cctrl_tbl_show':
   >> drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c:689:1: warning: the
   >> frame
   >> size of 1028 bytes is larger than 1024 bytes [-Wframe-larger-than=]

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 78854ce..dcb0479 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -670,9 +670,13 @@ static int cctrl_tbl_show(struct seq_file *seq, void *v)
                "0.9375" };
 
        int i;
-       u16 incr[NMTUS][NCCTRL_WIN];
+       u16 (*incr)[NCCTRL_WIN];
        struct adapter *adap = seq->private;
 
+       incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL);
+       if (!incr)
+               return -ENOMEM;
+
        t4_read_cong_tbl(adap, incr);
 
        for (i = 0; i < NCCTRL_WIN; ++i) {
@@ -685,6 +689,8 @@ static int cctrl_tbl_show(struct seq_file *seq, void *v)
                           adap->params.a_wnd[i],
                           dec_fac[adap->params.b_wnd[i]]);
        }
+
+       kfree(incr);
        return 0;
 }