scsi: fcoe: Fix I/O path allocation
[ Upstream commit fa39ab5184
]
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: Lee Duncan <lduncan@suse.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -192,7 +192,7 @@ static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid,
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}
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/* alloc the udl from per cpu ddp pool */
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ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_KERNEL, &ddp->udp);
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ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_ATOMIC, &ddp->udp);
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if (!ddp->udl) {
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e_err(drv, "failed allocated ddp context\n");
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goto out_noddp_unmap;
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