diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2004-02-23 23:19:10 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2004-02-23 23:19:10 +0000 |
| commit | 71e364b476771e70e19a004b651223a6f4178f78 (patch) | |
| tree | 6c5a2c5ad8f1bed706bc2dd64b09e16d9d33d3e3 /lib/libkvm | |
| parent | ee3d1615150f3790768fa258e4e505e22da46890 (diff) | |
more explicitly check against -1 for pread/pwrite error returns; millert ok
Diffstat (limited to 'lib/libkvm')
| -rw-r--r-- | lib/libkvm/kvm.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libkvm/kvm.c b/lib/libkvm/kvm.c index 3b49134076f..7b98ecbaf53 100644 --- a/lib/libkvm/kvm.c +++ b/lib/libkvm/kvm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kvm.c,v 1.36 2004/02/18 03:23:00 tedu Exp $ */ +/* $OpenBSD: kvm.c,v 1.37 2004/02/23 23:19:09 deraadt Exp $ */ /* $NetBSD: kvm.c,v 1.43 1996/05/05 04:31:59 gwr Exp $ */ /*- @@ -38,7 +38,7 @@ #if 0 static char sccsid[] = "@(#)kvm.c 8.2 (Berkeley) 2/13/94"; #else -static char *rcsid = "$OpenBSD: kvm.c,v 1.36 2004/02/18 03:23:00 tedu Exp $"; +static char *rcsid = "$OpenBSD: kvm.c,v 1.37 2004/02/23 23:19:09 deraadt Exp $"; #endif #endif /* LIBC_SCCS and not lint */ @@ -868,7 +868,7 @@ kvm_read(kd, kva, buf, len) * device and let the active kernel do the address translation. */ cc = _kvm_pread(kd, kd->vmfd, buf, len, (off_t)kva); - if (cc < 0) { + if (cc == -1) { _kvm_err(kd, 0, "invalid address (%lx)", kva); return (-1); } else if (cc < len) @@ -891,7 +891,7 @@ kvm_read(kd, kva, buf, len) cc = len; cc = _kvm_pread(kd, kd->pmfd, cp, cc, (off_t)_kvm_pa2off(kd, pa)); - if (cc < 0) { + if (cc == -1) { _kvm_syserr(kd, 0, _PATH_MEM); break; } @@ -926,7 +926,7 @@ kvm_write(kd, kva, buf, len) * Just like kvm_read, only we write. */ cc = _kvm_pwrite(kd, kd->vmfd, (void*)buf, (size_t)len, (off_t)kva); - if (cc < 0) { + if (cc == -1) { _kvm_err(kd, 0, "invalid address (%lx)", kva); return (-1); } else if (cc < len) |