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-rw-r--r--util/vfio-helpers.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c
index 813f7ec..ddd9a96 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -545,7 +545,7 @@ static int qemu_vfio_do_mapping(QEMUVFIOState *s, void *host, size_t size,
trace_qemu_vfio_do_mapping(s, host, size, iova);
if (ioctl(s->container, VFIO_IOMMU_MAP_DMA, &dma_map)) {
- error_report("VFIO_MAP_DMA: %d", -errno);
+ error_report("VFIO_MAP_DMA failed: %s", strerror(errno));
return -errno;
}
return 0;
@@ -570,7 +570,7 @@ static void qemu_vfio_undo_mapping(QEMUVFIOState *s, IOVAMapping *mapping,
assert(QEMU_IS_ALIGNED(mapping->size, qemu_real_host_page_size));
assert(index >= 0 && index < s->nr_mappings);
if (ioctl(s->container, VFIO_IOMMU_UNMAP_DMA, &unmap)) {
- error_setg(errp, "VFIO_UNMAP_DMA failed: %d", -errno);
+ error_setg_errno(errp, errno, "VFIO_UNMAP_DMA failed");
}
memmove(mapping, &s->mappings[index + 1],
sizeof(s->mappings[0]) * (s->nr_mappings - index - 1));
@@ -669,7 +669,7 @@ int qemu_vfio_dma_reset_temporary(QEMUVFIOState *s)
trace_qemu_vfio_dma_reset_temporary(s);
qemu_mutex_lock(&s->lock);
if (ioctl(s->container, VFIO_IOMMU_UNMAP_DMA, &unmap)) {
- error_report("VFIO_UNMAP_DMA: %d", -errno);
+ error_report("VFIO_UNMAP_DMA failed: %s", strerror(errno));
qemu_mutex_unlock(&s->lock);
return -errno;
}