[PATCH] Fix printf style used with virDomainIOMMUDef::aw_bits

Michal Privoznik via Devel posted 1 patch 1 week, 3 days ago
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/libvirt tags/patchew/b2a962cd4df67ad1e0727e23d850dc37193caf2b.1769094197.git.mprivozn@redhat.com
src/conf/domain_conf.c  | 4 ++--
src/qemu/qemu_command.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
[PATCH] Fix printf style used with virDomainIOMMUDef::aw_bits
Posted by Michal Privoznik via Devel 1 week, 3 days ago
From: Michal Privoznik <mprivozn@redhat.com>

The aw_bits member of the virDomainIOMMUDef is of type unsigned
int. However, in a few places
(virDomainIOMMUDefCheckABIStability(), virDomainIOMMUDefFormat(),
qemuBuildIOMMUCommandLine()) incorrect printf modifier is used.
Fix those places.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/conf/domain_conf.c  | 4 ++--
 src/qemu/qemu_command.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 8b26de674e..9672168df9 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -22301,7 +22301,7 @@ virDomainIOMMUDefCheckABIStability(virDomainIOMMUDef *src,
     }
     if (src->aw_bits != dst->aw_bits) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("Target domain IOMMU device aw_bits value '%1$d' does not match source '%2$d'"),
+                       _("Target domain IOMMU device aw_bits value '%1$u' does not match source '%2$u'"),
                        dst->aw_bits, src->aw_bits);
         return false;
     }
@@ -28638,7 +28638,7 @@ virDomainIOMMUDefFormat(virBuffer *buf,
                           virTristateSwitchTypeToString(iommu->iotlb));
     }
     if (iommu->aw_bits > 0) {
-        virBufferAsprintf(&driverAttrBuf, " aw_bits='%d'",
+        virBufferAsprintf(&driverAttrBuf, " aw_bits='%u'",
                           iommu->aw_bits);
     }
     if (iommu->dma_translation != VIR_TRISTATE_SWITCH_ABSENT) {
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 0de0a79b46..e81efdfde7 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6295,7 +6295,7 @@ qemuBuildIOMMUCommandLine(virCommand *cmd,
                                       "T:caching-mode", iommu->caching_mode,
                                       "S:eim", qemuOnOffAuto(iommu->eim),
                                       "T:device-iotlb", iommu->iotlb,
-                                      "z:aw-bits", iommu->aw_bits,
+                                      "p:aw-bits", iommu->aw_bits,
                                       "T:dma-translation", iommu->dma_translation,
                                       NULL) < 0)
                 return -1;
-- 
2.52.0
Re: [PATCH] Fix printf style used with virDomainIOMMUDef::aw_bits
Posted by Peter Krempa via Devel 1 week, 3 days ago
On Thu, Jan 22, 2026 at 16:03:17 +0100, Michal Privoznik via Devel wrote:
> From: Michal Privoznik <mprivozn@redhat.com>
> 
> The aw_bits member of the virDomainIOMMUDef is of type unsigned
> int. However, in a few places
> (virDomainIOMMUDefCheckABIStability(), virDomainIOMMUDefFormat(),
> qemuBuildIOMMUCommandLine()) incorrect printf modifier is used.
> Fix those places.
> 
> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
> ---
>  src/conf/domain_conf.c  | 4 ++--
>  src/qemu/qemu_command.c | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Peter Krempa <pkrempa@redhat.com>