[PATCH net 3/4] qed: Fix possible system hang in the dcbnl-getdcbx() path.

[Sudarsana Reddy Kalluru]

qed_dcbnl_get_dcbx() API uses kmalloc in GFT_KERNEL mode. The API gets
invoked in the interrupt context by qed_dcbnl_getdcbx callback. Need
to invoke this kmalloc in atomic mode.

Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kall...@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mi...@cavium.com>
---
 drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c 
b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index ff058a3..8f0783a 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -1264,7 +1264,7 @@ static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct 
qed_hwfn *hwfn,
 {
        struct qed_dcbx_get *dcbx_info;
 
-       dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL);
+       dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_ATOMIC);
        if (!dcbx_info)
                return NULL;
 
-- 
1.8.3.1