From 83aea945c21c646184a494a32ad5524248b60226 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 1 Jun 2010 05:58:40 +0000 Subject: powerpc/macio: Don't dereference pointer before null check Signed-off-by: Andreas Schwab Signed-off-by: Benjamin Herrenschmidt --- drivers/macintosh/macio_asic.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/macintosh') diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 9714780..40390ac 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -492,8 +492,8 @@ static void macio_pci_add_devices(struct macio_chip *chip) } /* Add media bay devices if any */ - pnode = mbdev->ofdev.dev.of_node; - if (mbdev) + if (mbdev) { + pnode = mbdev->ofdev.dev.of_node; for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) { if (macio_skip_device(np)) continue; @@ -502,10 +502,11 @@ static void macio_pci_add_devices(struct macio_chip *chip) mbdev, root_res) == NULL) of_node_put(np); } + } /* Add serial ports if any */ - pnode = sdev->ofdev.dev.of_node; if (sdev) { + pnode = sdev->ofdev.dev.of_node; for (np = NULL; (np = of_get_next_child(pnode, np)) != NULL;) { if (macio_skip_device(np)) continue; -- cgit v1.1