No caller use its return value as msi capability offset, also in order to make its return behaviour consistent with msix_init().
cc: Michael S. Tsirkin <m...@redhat.com> cc: Paolo Bonzini <pbonz...@redhat.com> cc: Hannes Reinecke <h...@suse.de> cc: Markus Armbruster <arm...@redhat.com> cc: Marcel Apfelbaum <mar...@redhat.com> Acked-by: Hannes Reinecke <h...@suse.com> Reviewed-by: Markus Armbruster <arm...@redhat.com> Signed-off-by: Cao jin <caoj.f...@cn.fujitsu.com> --- hw/pci/msi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) Hi Hannes, This version changed, If is ok with you, I will let your A-b still here. diff --git a/hw/pci/msi.c b/hw/pci/msi.c index 359058e..ed79225 100644 --- a/hw/pci/msi.c +++ b/hw/pci/msi.c @@ -173,8 +173,7 @@ bool msi_enabled(const PCIDevice *dev) * If @msi64bit, make the device capable of sending a 64-bit message * address. * If @msi_per_vector_mask, make the device support per-vector masking. - * Return the offset of capability MSI in config space on success, - * return -errno on error. + * Return 0 on success, return -errno on error. * * -ENOTSUP means lacking msi support for a msi-capable platform. * -EINVAL means capability overlap, happens when @offset is non-zero, @@ -236,7 +235,8 @@ int msi_init(struct PCIDevice *dev, uint8_t offset, pci_set_long(dev->wmask + msi_mask_off(dev, msi64bit), 0xffffffff >> (PCI_MSI_VECTORS_MAX - nr_vectors)); } - return config_offset; + + return 0; } void msi_uninit(struct PCIDevice *dev) -- 2.1.0