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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>
This commit is contained in:
Andreas Schwab 2010-06-01 05:58:40 +00:00 committed by Benjamin Herrenschmidt
parent aef4b9aaae
commit 83aea945c2
1 changed files with 4 additions and 3 deletions
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7
drivers/macintosh/macio_asic.c
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@ -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;