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?
aik@garrison2:~$ cat /sys/bus/pci/devices/0009:03:00.0/devspec && echo -e '\n'
/pciex@3fffe40500000/pci@0/pci@0/pci@1/usb-xhci@0
>
> Signed-off-by: Seeteena Thoufeek <s1see...@linux.vnet.ibm.com>
> ---
> 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
