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ibmvscsis: Fix sleeping in interrupt context

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commit a5b0e4062f upstream.

Currently, dma_alloc_coherent is being called with a GFP_KERNEL
flag which allows it to sleep in an interrupt context, need to
change to GFP_ATOMIC.

Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Reviewed-by: Michael Cyr <mikecyr@linux.vnet.ibm.com>
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bryant G. Ly
2017-01-11 13:16:42 -06:00
committed by Greg Kroah-Hartman
parent df35a8f51f
commit 51cff2c64d
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
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@@ -1239,7 +1239,7 @@ static long ibmvscsis_adapter_info(struct scsi_info *vscsi,
}
info = dma_alloc_coherent(&vscsi->dma_dev->dev, sizeof(*info), &token,
GFP_KERNEL);
GFP_ATOMIC);
if (!info) {
dev_err(&vscsi->dev, "bad dma_alloc_coherent %p\n",
iue->target);
@@ -1357,7 +1357,7 @@ static int ibmvscsis_cap_mad(struct scsi_info *vscsi, struct iu_entry *iue)
}
cap = dma_alloc_coherent(&vscsi->dma_dev->dev, olen, &token,
GFP_KERNEL);
GFP_ATOMIC);
if (!cap) {
dev_err(&vscsi->dev, "bad dma_alloc_coherent %p\n",
iue->target);