Re: [Qemu-devel] [Qemu-ppc] [PATCH v1] spapr_pci: fix the path while fetching loc-code from host DT

[Alexey Kardashevskiy]

On 08/11/17 00:18, Seeteena Thoufeek wrote:
> The function spapr_phb_vfio_get_loc_code uses wrong path for
> fetching loc-code from host DT
> 
> this is the call that needs to be fixed:
> /* Construct and read from host device tree the loc-code */
> path = g_strdup_printf("/proc/device-tree%s/ibm,loc-code", buf);


I do not see why would extra '/' hurt but where does it really fail?

My machines have leading '/' in devspec, do not yours?

address@hidden:~$ cat /sys/bus/pci/devices/0009:03:00.0/devspec && echo -e '\n'
/address@hidden/address@hidden/address@hidden/address@hidden/address@hidden




> 
> Signed-off-by: Seeteena Thoufeek <address@hidden>
> ---
>  hw/ppc/spapr_pci.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
> index 5a3122a..ae86322 100644
> --- a/hw/ppc/spapr_pci.c
> +++ b/hw/ppc/spapr_pci.c
> @@ -762,7 +762,7 @@ static char *spapr_phb_vfio_get_loc_code(sPAPRPHBState 
> *sphb,  PCIDevice *pdev)
>      g_free(path);
>  
>      /* Construct and read from host device tree the loc-code */
> -    path = g_strdup_printf("/proc/device-tree%s/ibm,loc-code", buf);
> +    path = g_strdup_printf("/proc/device-tree/%s/ibm,loc-code", buf);
>      g_free(buf);
>      if (!g_file_get_contents(path, &buf, NULL, NULL)) {
>          goto err_out;
> 


-- 
Alexey