cxl/vphb.c: Use phb pointer after NULL check

static Anlaysis detected below error:-
(error) Possible null pointer dereference: phb

So, Use phb after NULL check.

Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index b1d1983a84a5d8c665bf0b66880e4f6994645d95..2eba002b580b4c9f2c07de079c7aa060c3b7cb6e 100644 (file)
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -112,9 +112,10 @@ static int cxl_pcie_config_info(struct pci_bus *bus, unsigned int devfn,
        unsigned long addr;
 
        phb = pci_bus_to_host(bus);
-       afu = (struct cxl_afu *)phb->private_data;
        if (phb == NULL)
                return PCIBIOS_DEVICE_NOT_FOUND;
+       afu = (struct cxl_afu *)phb->private_data;
+
        if (cxl_pcie_cfg_record(bus->number, devfn) > afu->crs_num)
                return PCIBIOS_DEVICE_NOT_FOUND;
        if (offset >= (unsigned long)phb->cfg_data)