diff options
author | deraadt <deraadt@openbsd.org> | 2019-06-28 13:32:41 +0000 |
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committer | deraadt <deraadt@openbsd.org> | 2019-06-28 13:32:41 +0000 |
commit | df69c215c7c66baf660f3f65414fd34796c96152 (patch) | |
tree | 0255639162b24c4a2f761a274e32b69c2256fd45 /usr.sbin/pcidump | |
parent | miniroot prototype disklabels should attempt to contain accurate (diff) | |
download | wireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.tar.xz wireguard-openbsd-df69c215c7c66baf660f3f65414fd34796c96152.zip |
When system calls indicate an error they return -1, not some arbitrary
value < 0. errno is only updated in this case. Change all (most?)
callers of syscalls to follow this better, and let's see if this strictness
helps us in the future.
Diffstat (limited to 'usr.sbin/pcidump')
-rw-r--r-- | usr.sbin/pcidump/pcidump.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/pcidump/pcidump.c b/usr.sbin/pcidump/pcidump.c index 7f4a47fabf7..6f159bb9d6a 100644 --- a/usr.sbin/pcidump/pcidump.c +++ b/usr.sbin/pcidump/pcidump.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcidump.c,v 1.54 2019/06/02 02:37:12 dlg Exp $ */ +/* $OpenBSD: pcidump.c,v 1.55 2019/06/28 13:32:49 deraadt Exp $ */ /* * Copyright (c) 2006, 2007 David Gwynne <loki@animata.net> @@ -903,14 +903,14 @@ dump_rom(int bus, int dev, int func) rom.pr_sel.pc_bus = bus; rom.pr_sel.pc_dev = dev; rom.pr_sel.pc_func = func; - if (ioctl(pcifd, PCIOCGETROMLEN, &rom)) + if (ioctl(pcifd, PCIOCGETROMLEN, &rom) == -1) return (errno); rom.pr_rom = malloc(rom.pr_romlen); if (rom.pr_rom == NULL) return (ENOMEM); - if (ioctl(pcifd, PCIOCGETROM, &rom)) + if (ioctl(pcifd, PCIOCGETROM, &rom) == -1) return (errno); if (write(romfd, rom.pr_rom, rom.pr_romlen) == -1) |