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| author | Michal Privoznik <mprivozn@redhat.com> | 2020-02-14 10:55:19 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2020-02-18 20:20:49 +0100 |
| commit | b09d51c9098adec9c83cc0d8332d03e052844a9f (patch) | |
| tree | b70d6f40424e79deecd5690822902c4d254e90f4 /util/vfio-helpers.c | |
| parent | 4065bb25e95f7059b250ed8194a46bced9a7602b (diff) | |
Report stringified errno in VFIO related errors
In a few places we report errno formatted as a negative integer.
This is not as user friendly as it can be. Use strerror() and/or
error_setg_errno() instead.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Message-Id: <4949c3ecf1a32189b8a4b5eb4b0fd04c1122501d.1581674006.git.mprivozn@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'util/vfio-helpers.c')
| -rw-r--r-- | util/vfio-helpers.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 813f7ec564..ddd9a96e76 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; } |