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dissertation
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use correct logging or error calls 

ftruncate sets errno, so use fatal() and not fatalx().

Checking for under-reads of read(2) isn't going to set errno so
use errx().

ok abieber@
This commit is contained in:
dv 2022-05-20 22:06:47 +00:00
parent 7e0525b70c
commit 4a1c7b02a3
1 changed files with 3 additions and 3 deletions
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6
usr.sbin/vmd/vioqcow2.c
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@ -1,4 +1,4 @@
/* $OpenBSD: vioqcow2.c,v 1.19 2022/05/13 16:46:34 dv Exp $ */
/* $OpenBSD: vioqcow2.c,v 1.20 2022/05/20 22:06:47 dv Exp $ */
/*
* Copyright (c) 2018 Ori Bernstein <ori@eigenstate.org>
@ -533,7 +533,7 @@ mkcluster(struct qcdisk *disk, struct qcdisk *base, off_t off, off_t src_phys)
/* Grow the disk */
if (ftruncate(disk->fd, disk->end + disk->clustersz) < 0)
fatalx("%s: could not grow disk", __func__);
fatal("%s: could not grow disk", __func__);
if (src_phys > 0)
copy_cluster(disk, base, disk->end, src_phys);
cluster = disk->end;
@ -640,7 +640,7 @@ virtio_qcow2_create(const char *imgfile_path,
if (base_path) {
fd = open(base_path, O_RDONLY);
if (read(fd, &basehdr, sizeof(basehdr)) != sizeof(basehdr))
err(1, "failure to read base image header");
errx(1, "failure to read base image header");
close(fd);
if (strncmp(basehdr.magic,
VM_MAGIC_QCOW, strlen(VM_MAGIC_QCOW)) != 0)