[PATCH] powerpc/4xx: Don't unmap NULL mbase
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2020-05-21 07:28:08
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
From: huhai <redacted> Signed-off-by: huhai <redacted> --- arch/powerpc/platforms/4xx/pci.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/4xx/pci.c b/arch/powerpc/platforms/4xx/pci.c
index e6e2adcc7b64..c13d64c3b019 100644
--- a/arch/powerpc/platforms/4xx/pci.c
+++ b/arch/powerpc/platforms/4xx/pci.c@@ -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 = {
--
2.25.1