IB/hfi1: Prevent hardware counter names from being cut off

Increase the size of the buffer that is used to construct per-VL
and per-SDMA counter names.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 156ddf8..24d0820 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -12098,7 +12098,7 @@
 	mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME);
 }
 
-#define C_MAX_NAME 13 /* 12 chars + one for /0 */
+#define C_MAX_NAME 16 /* 15 chars + one for /0 */
 static int init_cntrs(struct hfi1_devdata *dd)
 {
 	int i, rcv_ctxts, j;