[PATCH net 3/3] net: mvpp2: do not sleep in set_rx_mode

From: Antoine Tenart
Date: Tue Oct 24 2017 - 05:45:13 EST


This patch replaces GFP_KERNEL by GFP_ATOMIC to avoid sleeping in the
ndo_set_rx_mode() call which is called with BH disabled.

Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvpp2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index 5aa57c035ed8..a3231fe98384 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -3396,7 +3396,7 @@ mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da,
struct mvpp2_prs_entry *pe;
int tid;

- pe = kzalloc(sizeof(*pe), GFP_KERNEL);
+ pe = kzalloc(sizeof(*pe), GFP_ATOMIC);
if (!pe)
return NULL;
mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
@@ -3458,7 +3458,7 @@ static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port,
if (tid < 0)
return tid;

- pe = kzalloc(sizeof(*pe), GFP_KERNEL);
+ pe = kzalloc(sizeof(*pe), GFP_ATOMIC);
if (!pe)
return -ENOMEM;
mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC);
--
2.14.2