[PATCH 5.16 037/121] ice: Dont use GFP_KERNEL in atomic context

Greg Kroah-Hartman
2022-03-14T12:24:28Z

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 3d97f1afd8d831e0c0dc1157418f94b8faa97b54 ]

ice_misc_intr() is an irq handler. It should not sleep.

Use GFP_ATOMIC instead of GFP_KERNEL when allocating some memory.

Fixes: 348048e724a0 ("ice: Implement iidc operations")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Leszek Kaliszczuk <leszek.kaliszczuk@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/intel/ice/ice_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index fc04b4cf4ae0..676e837d48cf 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3016,7 +3016,7 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
struct iidc_event *event;

ena_mask &= ~ICE_AUX_CRIT_ERR;
- event = kzalloc(sizeof(*event), GFP_KERNEL);
+ event = kzalloc(sizeof(*event), GFP_ATOMIC);
if (event) {
set_bit(IIDC_EVENT_CRIT_ERR, event->type);
/* report the entire OICR value to AUX driver */
--
2.34.1