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vfio-ccw: Remove copy_ccw_from_iova() 

Just to keep things tidy.

Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20190618202352.39702-6-farman@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
alistair/sunxi64-5.4-dsi
Eric Farman 2019-06-18 22:23:52 +02:00 committed by Cornelia Huck
parent 7f8e89a8f2
commit 5223bee837
1 changed files with 2 additions and 12 deletions
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14
drivers/s390/cio/vfio_ccw_cp.c
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@ -228,17 +228,6 @@ static long copy_from_iova(struct device *mdev,
return l;
}
static long copy_ccw_from_iova(struct channel_program *cp,
struct ccw1 *to, u64 iova,
unsigned long len)
{
int ret;
ret = copy_from_iova(cp->mdev, to, iova, len * sizeof(struct ccw1));
return ret;
}
/*
* Helpers to operate ccwchain.
*/
@ -435,7 +424,8 @@ static int ccwchain_handle_ccw(u32 cda, struct channel_program *cp)
int len;
/* Copy 2K (the most we support today) of possible CCWs */
len = copy_ccw_from_iova(cp, cp->guest_cp, cda, CCWCHAIN_LEN_MAX);
len = copy_from_iova(cp->mdev, cp->guest_cp, cda,
CCWCHAIN_LEN_MAX * sizeof(struct ccw1));
if (len)
return len;