mfd: Check for mem_base when building IORESOURCE_MEM resources

If mem_base is NULL, then we fall back to the default case, just copying the
original resource.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 8ffbb7a85a7e..7dd76bceaae8 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -48,7 +48,7 @@ static int mfd_add_device(struct device *parent, int id,
                 res[r].flags = cell->resources[r].flags;
 
                 /* Find out base to use */
-                if (cell->resources[r].flags & IORESOURCE_MEM) {
+                if ((cell->resources[r].flags & IORESOURCE_MEM) && mem_base) {
                         res[r].parent = mem_base;
                         res[r].start = mem_base->start +
                                 cell->resources[r].start;