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uas: fix deadlocky memory allocations 

There are also two allocations with GFP_KERNEL in the pre-/post_reset
code paths. That is no good because that is a part of the SCSI error handler.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Neukum 2014-03-28 11:25:50 +01:00 committed by Greg Kroah-Hartman
parent c637f1fa7b
commit 94d72f0089
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/storage/uas.c
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@ -1030,7 +1030,7 @@ static int uas_configure_endpoints(struct uas_dev_info *devinfo)
devinfo->use_streams = 0;
} else {
devinfo->qdepth = usb_alloc_streams(devinfo->intf, eps + 1,
3, 256, GFP_KERNEL);
3, 256, GFP_NOIO);
if (devinfo->qdepth < 0)
return devinfo->qdepth;
devinfo->use_streams = 1;
@ -1047,7 +1047,7 @@ static void uas_free_streams(struct uas_dev_info *devinfo)
eps[0] = usb_pipe_endpoint(udev, devinfo->status_pipe);
eps[1] = usb_pipe_endpoint(udev, devinfo->data_in_pipe);
eps[2] = usb_pipe_endpoint(udev, devinfo->data_out_pipe);
usb_free_streams(devinfo->intf, eps, 3, GFP_KERNEL);
usb_free_streams(devinfo->intf, eps, 3, GFP_NOIO);
}
static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id)