diff options
| author |   art <art@openbsd.org> | 2001-12-10 17:37:51 +0000 |
|---|---|---|
| committer | art <art@openbsd.org> | 2001-12-10 17:37:51 +0000 |
| commit | 580eb6f60f294a28fc0114a1e29e261538562dc7 (patch) | |
| tree | ea662694da4322534a08a9f0e75b0ed09eef5bce /sys/kern/kern_physio.c | |
| parent | minor cleanups. (diff) | |
| download | wireguard-openbsd-580eb6f60f294a28fc0114a1e29e261538562dc7.tar.xz wireguard-openbsd-580eb6f60f294a28fc0114a1e29e261538562dc7.zip | |
No need for uvm_useracc here now. vslock catches those problems.
Diffstat (limited to 'sys/kern/kern_physio.c')
| -rw-r--r-- | sys/kern/kern_physio.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/sys/kern/kern_physio.c b/sys/kern/kern_physio.c index bd83546c9dd..dc1b78fb8e2 100644 --- a/sys/kern/kern_physio.c +++ b/sys/kern/kern_physio.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_physio.c,v 1.17 2001/11/28 13:47:39 art Exp $ */ +/* $OpenBSD: kern_physio.c,v 1.18 2001/12/10 17:37:51 art Exp $ */ /* $NetBSD: kern_physio.c,v 1.28 1997/05/19 10:43:28 pk Exp $ */ /*- @@ -87,21 +87,6 @@ physio(strategy, bp, dev, flags, minphys, uio) error = 0; flags &= B_READ | B_WRITE; - /* - * [check user read/write access to the data buffer] - * - * Check each iov one by one. Note that we know if we're reading or - * writing, so we ignore the uio's rw parameter. Also note that if - * we're doing a read, that's a *write* to user-space. - */ - if (uio->uio_segflg == UIO_USERSPACE) - for (i = 0; i < uio->uio_iovcnt; i++) - /* XXX - obsolete now that vslock can error? */ - if (!uvm_useracc(uio->uio_iov[i].iov_base, - uio->uio_iov[i].iov_len, - (flags == B_READ) ? B_WRITE : B_READ)) - return (EFAULT); - /* Make sure we have a buffer, creating one if necessary. */ if ((nobuf = (bp == NULL)) != 0) bp = getphysbuf(); |