Commit bcec081e authored by huhai's avatar huhai Committed by Michael Ellerman
Browse files

powerpc/4xx: Don't unmap NULL mbase 



Signed-off-by: default avatarhuhai <huhai@tj.kylinos.cn>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200521072648.1254699-1-mpe@ellerman.id.au
parent 3aacaa71

arch/powerpc/platforms/4xx/pci.c

+1 −3
Original line number Diff line number Diff line
@@ -1242,7 +1242,7 @@ static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port) 
	if (mbase == NULL) {

		printk(KERN_ERR "%pOF: Can't map internal config space !",

			port->node);

		goto done;

		return;

	}



	while (attempt && (0 == (in_le32(mbase + PECFG_460SX_DLLSTA)
@@ -1252,9 +1252,7 @@ static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port) 
	}

	if (attempt)

		port->link = 1;

done:

	iounmap(mbase);



}



static struct ppc4xx_pciex_hwops ppc460sx_pcie_hwops __initdata = {