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Fix CID 1669 by removing dead sf_buf code

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This commit is contained in:
kmacy 2006-12-07 02:03:18 +00:00
parent 824b30aad1
commit 7198793974
1 changed files with 0 additions and 6 deletions
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6
sys/sun4v/sun4v/uio_machdep.c
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@ -61,7 +61,6 @@ __FBSDID("$FreeBSD$");
int
uiomove_fromphys(vm_page_t ma[], vm_offset_t offset, int n, struct uio *uio)
{
struct sf_buf *sf;
struct thread *td = curthread;
struct iovec *iov;
void *cp;
@ -92,7 +91,6 @@ uiomove_fromphys(vm_page_t ma[], vm_offset_t offset, int n, struct uio *uio)
cnt = ulmin(cnt, PAGE_SIZE - page_offset);
m = ma[offset >> PAGE_SHIFT];
pa = VM_PAGE_TO_PHYS(m);
sf = NULL;
cp = (char *)TLB_PHYS_TO_DIRECT(pa) + page_offset;
switch (uio->uio_segflg) {
case UIO_USERSPACE:
@ -103,8 +101,6 @@ uiomove_fromphys(vm_page_t ma[], vm_offset_t offset, int n, struct uio *uio)
else
error = copyin(iov->iov_base, cp, cnt);
if (error) {
if (sf != NULL)
sf_buf_free(sf);
goto out;
}
break;
@ -117,8 +113,6 @@ uiomove_fromphys(vm_page_t ma[], vm_offset_t offset, int n, struct uio *uio)
case UIO_NOCOPY:
break;
}
if (sf != NULL)
sf_buf_free(sf);
iov->iov_base = (char *)iov->iov_base + cnt;
iov->iov_len -= cnt;
uio->uio_resid -= cnt;