diff options
| author | roel kluin <roel.kluin@gmail.com> | 2009-08-03 02:41:42 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-20 10:29:26 +1000 |
| commit | fb2881a7134576a6e95a63e3d2f34ea5629db4a1 (patch) | |
| tree | 98ec36788b126a30f56fcac57196d4e29fe7e72f /drivers/macintosh/macio_asic.c | |
| parent | 14ea58ad797e4e9b7be755aca0fd3925d0713ede (diff) | |
powerpc/macio: Don't the address of an array element before boundchecking
Check whether index is within bounds before grabbing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/macintosh/macio_asic.c')
| -rw-r--r-- | drivers/macintosh/macio_asic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index a0f68386c12..588a5b0bc4b 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -294,10 +294,11 @@ static void macio_setup_interrupts(struct macio_dev *dev) int i = 0, j = 0; for (;;) { - struct resource *res = &dev->interrupt[j]; + struct resource *res; if (j >= MACIO_DEV_COUNT_IRQS) break; + res = &dev->interrupt[j]; irq = irq_of_parse_and_map(np, i++); if (irq == NO_IRQ) break; @@ -321,9 +322,10 @@ static void macio_setup_resources(struct macio_dev *dev, int index; for (index = 0; of_address_to_resource(np, index, &r) == 0; index++) { - struct resource *res = &dev->resource[index]; + struct resource *res; if (index >= MACIO_DEV_COUNT_RESOURCES) break; + res = &dev->resource[index]; *res = r; res->name = dev_name(&dev->ofdev.dev); |