netdev - [PATCH] octeontx2-af: Use GFP

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Date:   Thu, 25 Oct 2018 01:42:26 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Sunil Goutham <sgoutham@...vell.com>,
        Linu Cherian <lcherian@...vell.com>,
        Geetha sowjanya <gakula@...vell.com>,
        Jerin Jacob <jerinj@...vell.com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH] octeontx2-af: Use GFP_ATOMIC under spin lock

The function nix_update_mce_list() is called from
nix_update_bcast_mce_list(), and a spin lock is held
here, so we should use GFP_ATOMIC instead.

Fixes: 4b05528ebf0c ("octeontx2-af: Update bcast list upon NIXLF alloc/free")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 8890c95..a618e48 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -1294,7 +1294,7 @@ static int nix_update_mce_list(struct nix_mce_list *mce_list,
 		return 0;
 
 	/* Add a new one to the list, at the tail */
-	mce = kzalloc(sizeof(*mce), GFP_KERNEL);
+	mce = kzalloc(sizeof(*mce), GFP_ATOMIC);
 	if (!mce)
 		return -ENOMEM;
 	mce->idx = idx;