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xen-scsifront: use GFP_ATOMIC under spin_lock

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This function is only called with a spin_lock held and IRQs disabled.
The allocation is not allowed to sleep and NOIO is not sufficient, it
has to be ATOMIC.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Dan Carpenter 2014-09-08 14:15:42 +03:00 committed by Stefano Stabellini
parent 15d036094b
commit d9b1e6374b
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/xen-scsifront.c
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@ -359,7 +359,7 @@ static int map_data_for_request(struct vscsifrnt_info *info,
}
seg_grants = vscsiif_grants_sg(data_grants);
shadow->sg = kcalloc(data_grants,
sizeof(struct scsiif_request_segment), GFP_NOIO);
sizeof(struct scsiif_request_segment), GFP_ATOMIC);
if (!shadow->sg)
return -ENOMEM;
}