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Commit 1778bebd authored by Mike Christie's avatar Mike Christie Committed by Greg Kroah-Hartman
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scsi: fcoe: Fix I/O path allocation 

[ Upstream commit fa39ab5184d64563cd36f2fb5f0d3fbad83a432c ]

ixgbe_fcoe_ddp_setup() can be called from the main I/O path and is called
with a spin_lock held, so we have to use GFP_ATOMIC allocation instead of
GFP_KERNEL.

Link: https://lore.kernel.org/r/1596831813-9839-1-git-send-email-michael.christie@oracle.com


cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: default avatarLee Duncan <lduncan@suse.com>
Signed-off-by: default avatarMike Christie <michael.christie@oracle.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent a8d26145

drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c

+1 −1
Original line number Diff line number Diff line
@@ -192,7 +192,7 @@ static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid, 
	}



	/* alloc the udl from per cpu ddp pool */

	ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_KERNEL, &ddp->udp);

	ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_ATOMIC, &ddp->udp);

	if (!ddp->udl) {

		e_err(drv, "failed allocated ddp context\n");

		goto out_noddp_unmap;