diff options
| author | Andreas Schwab | 2010-06-01 05:58:40 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt | 2010-06-02 17:50:36 +1000 |
| commit | 83aea945c21c646184a494a32ad5524248b60226 (patch) | |
| tree | c28239664bd321eb72da62d39b9ecf2d467e87b5 | |
| parent | aef4b9aaae1decc775778903922bd0075cce7a88 (diff) | |
powerpc/macio: Don't dereference pointer before null check
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | drivers/macintosh/macio_asic.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 97147804a49c..40390ac01309 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; |