This is a note to let you know that I've just added the patch titled
ice: Don't use GFP_KERNEL in atomic context
to the 5.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ice-don-t-use-gfp_kernel-in-atomic-context.patch
and it can be found in the queue-5.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3ab948e6e70ddc2ecaa68194ef2d950b80d2e953
Author: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date: Sun Jan 16 19:46:20 2022 +0100
ice: Don't use GFP_KERNEL in atomic context
[ 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@xxxxxxxxxx>
Tested-by: Leszek Kaliszczuk <leszek.kaliszczuk@xxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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 */
