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s390/vmur: use new address translation helpers

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Use virt_to_dma32() and friends to properly convert virtual to physical and
physical to virtual addresses so that "make C=1" does not generate any
warnings anymore.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-03-07 13:28:17 +01:00
parent 850ae345cc
commit f869763675
1 changed files with 2 additions and 2 deletions
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4
drivers/s390/char/vmur.c
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@ -195,7 +195,7 @@ static void free_chan_prog(struct ccw1 *cpa)
struct ccw1 *ptr = cpa;
while (ptr->cda) {
kfree(phys_to_virt(ptr->cda));
kfree(dma32_to_virt(ptr->cda));
ptr++;
}
kfree(cpa);
@ -237,7 +237,7 @@ static struct ccw1 *alloc_chan_prog(const char __user *ubuf, int rec_count,
free_chan_prog(cpa);
return ERR_PTR(-ENOMEM);
}
cpa[i].cda = (u32)virt_to_phys(kbuf);
cpa[i].cda = virt_to_dma32(kbuf);
if (copy_from_user(kbuf, ubuf, reclen)) {
free_chan_prog(cpa);
return ERR_PTR(-EFAULT);