bnx2x: allocate memory dynamically in ethtool self-test.

From: Merav Sicron <meravs@broadcom.com>

Current ethtool self tests usesa large buffer on stack. This patch replaces
that array by dynamically allocated memory

Signed-off-by: Merav Sicron <meravs@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 4cbd474ccecc..c18dc1d14a1d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -2016,14 +2016,22 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
                 { 0x708,  0x70 }, /* manuf_key_info */
                 {     0,     0 }
         };
-        __be32 buf[0x350 / 4];
-        u8 *data = (u8 *)buf;
+        __be32 *buf;
+        u8 *data;
         int i, rc;
         u32 magic, crc;
 
         if (BP_NOMCP(bp))
                 return 0;
 
+        buf = kmalloc(0x350, GFP_KERNEL);
+        if (!buf) {
+                DP(NETIF_MSG_PROBE, "kmalloc failed\n");
+                rc = -ENOMEM;
+                goto test_nvram_exit;
+        }
+        data = (u8 *)buf;
+
         rc = bnx2x_nvram_read(bp, 0, data, 4);
         if (rc) {
                 DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc);
@@ -2057,6 +2065,7 @@ static int bnx2x_test_nvram(struct bnx2x *bp)
         }
 
 test_nvram_exit:
+        kfree(buf);
         return rc;
 }