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Re: [PATCH] contrib/libvhost-user: Fix bad printf format specifiers


From: Michael S. Tsirkin
Subject: Re: [PATCH] contrib/libvhost-user: Fix bad printf format specifiers
Date: Mon, 16 Nov 2020 04:52:49 -0500

It's in the latest pull weren't you Cc'd?

On Mon, Nov 16, 2020 at 10:14:12AM +0800, Alex Chen wrote:
> Kindly ping...
> 
> On 2020/11/4 18:23, AlexChen wrote:
> > We should use printf format specifier "%u" instead of "%d" for
> > argument of type "unsigned int".
> > 
> > Reported-by: Euler Robot <euler.robot@huawei.com>
> > Signed-off-by: Alex Chen <alex.chen@huawei.com>
> > ---
> >  contrib/libvhost-user/libvhost-user.c | 24 ++++++++++++------------
> >  1 file changed, 12 insertions(+), 12 deletions(-)
> > 
> > diff --git a/contrib/libvhost-user/libvhost-user.c 
> > b/contrib/libvhost-user/libvhost-user.c
> > index bfec8a881a..5c73ffdd6b 100644
> > --- a/contrib/libvhost-user/libvhost-user.c
> > +++ b/contrib/libvhost-user/libvhost-user.c
> > @@ -701,7 +701,7 @@ vu_add_mem_reg(VuDev *dev, VhostUserMsg *vmsg) {
> >          return false;
> >      }
> > 
> > -    DPRINT("Adding region: %d\n", dev->nregions);
> > +    DPRINT("Adding region: %u\n", dev->nregions);
> >      DPRINT("    guest_phys_addr: 0x%016"PRIx64"\n",
> >             msg_region->guest_phys_addr);
> >      DPRINT("    memory_size:     0x%016"PRIx64"\n",
> > @@ -848,7 +848,7 @@ vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg 
> > *vmsg)
> >      VhostUserMemory m = vmsg->payload.memory, *memory = &m;
> >      dev->nregions = memory->nregions;
> > 
> > -    DPRINT("Nregions: %d\n", memory->nregions);
> > +    DPRINT("Nregions: %u\n", memory->nregions);
> >      for (i = 0; i < dev->nregions; i++) {
> >          void *mmap_addr;
> >          VhostUserMemoryRegion *msg_region = &memory->regions[i];
> > @@ -938,7 +938,7 @@ vu_set_mem_table_exec(VuDev *dev, VhostUserMsg *vmsg)
> >          return vu_set_mem_table_exec_postcopy(dev, vmsg);
> >      }
> > 
> > -    DPRINT("Nregions: %d\n", memory->nregions);
> > +    DPRINT("Nregions: %u\n", memory->nregions);
> >      for (i = 0; i < dev->nregions; i++) {
> >          void *mmap_addr;
> >          VhostUserMemoryRegion *msg_region = &memory->regions[i];
> > @@ -1049,8 +1049,8 @@ vu_set_vring_num_exec(VuDev *dev, VhostUserMsg *vmsg)
> >      unsigned int index = vmsg->payload.state.index;
> >      unsigned int num = vmsg->payload.state.num;
> > 
> > -    DPRINT("State.index: %d\n", index);
> > -    DPRINT("State.num:   %d\n", num);
> > +    DPRINT("State.index: %u\n", index);
> > +    DPRINT("State.num:   %u\n", num);
> >      dev->vq[index].vring.num = num;
> > 
> >      return false;
> > @@ -1105,8 +1105,8 @@ vu_set_vring_base_exec(VuDev *dev, VhostUserMsg *vmsg)
> >      unsigned int index = vmsg->payload.state.index;
> >      unsigned int num = vmsg->payload.state.num;
> > 
> > -    DPRINT("State.index: %d\n", index);
> > -    DPRINT("State.num:   %d\n", num);
> > +    DPRINT("State.index: %u\n", index);
> > +    DPRINT("State.num:   %u\n", num);
> >      dev->vq[index].shadow_avail_idx = dev->vq[index].last_avail_idx = num;
> > 
> >      return false;
> > @@ -1117,7 +1117,7 @@ vu_get_vring_base_exec(VuDev *dev, VhostUserMsg *vmsg)
> >  {
> >      unsigned int index = vmsg->payload.state.index;
> > 
> > -    DPRINT("State.index: %d\n", index);
> > +    DPRINT("State.index: %u\n", index);
> >      vmsg->payload.state.num = dev->vq[index].last_avail_idx;
> >      vmsg->size = sizeof(vmsg->payload.state);
> > 
> > @@ -1478,8 +1478,8 @@ vu_set_vring_enable_exec(VuDev *dev, VhostUserMsg 
> > *vmsg)
> >      unsigned int index = vmsg->payload.state.index;
> >      unsigned int enable = vmsg->payload.state.num;
> > 
> > -    DPRINT("State.index: %d\n", index);
> > -    DPRINT("State.enable:   %d\n", enable);
> > +    DPRINT("State.index: %u\n", index);
> > +    DPRINT("State.enable:   %u\n", enable);
> > 
> >      if (index >= dev->max_queues) {
> >          vu_panic(dev, "Invalid vring_enable index: %u", index);
> > @@ -1728,7 +1728,7 @@ vu_handle_vring_kick(VuDev *dev, VhostUserMsg *vmsg)
> >          return false;
> >      }
> > 
> > -    DPRINT("Got kick message: handler:%p idx:%d\n",
> > +    DPRINT("Got kick message: handler:%p idx:%u\n",
> >             dev->vq[index].handler, index);
> > 
> >      if (!dev->vq[index].started) {
> > @@ -1772,7 +1772,7 @@ vu_process_message(VuDev *dev, VhostUserMsg *vmsg)
> >      DPRINT("Request: %s (%d)\n", vu_request_to_string(vmsg->request),
> >             vmsg->request);
> >      DPRINT("Flags:   0x%x\n", vmsg->flags);
> > -    DPRINT("Size:    %d\n", vmsg->size);
> > +    DPRINT("Size:    %u\n", vmsg->size);
> > 
> >      if (vmsg->fd_num) {
> >          int i;
> > 




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