netdev - [PATCH net v2 6/7] ice: Don't use GFP

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Date:   Tue,  8 Mar 2022 15:45:12 -0800
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        netdev@...r.kernel.org, anthony.l.nguyen@...el.com,
        david.m.ertman@...el.com,
        Leszek Kaliszczuk <leszek.kaliszczuk@...el.com>
Subject: [PATCH net v2 6/7] ice: Don't use GFP_KERNEL in atomic context

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

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@...adoo.fr>
Tested-by: Leszek Kaliszczuk <leszek.kaliszczuk@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 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 6fc6514eb007..83e3e8aae6cf 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3034,7 +3034,7 @@ 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 */
-- 
2.31.1