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qed: Fix possible system hang in the dcbnl-getdcbx() path. 

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.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
sudarsana.kalluru@cavium.com 2017-04-19 03:19:54 -07:00 committed by David S. Miller
parent 6cf75f1ceb
commit 62289ba275
1 changed files with 1 additions and 1 deletions
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drivers/net/ethernet/qlogic/qed/qed_dcbx.c
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@ -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;