On 20/09/2013 20:42, Jonathan Cameron :
On 09/20/13 19:36, Jonathan Cameron wrote:
On 09/20/13 08:26, Nicolas Ferre wrote:
On 19/09/2013 23:42, Thomas Meyer :
sizeof when applied to a pointer typed expression gives the size of the
pointer.
Found by coccinelle spatch "misc/noderef.cocci"
Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Applied to the fixes-togreg branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
Actually, change of plan. Applied to the togreg branch of that
tree. Whilst technically more correct to have it as you say,
we are dealing with the size of a struct iio_trig ** vs
a struct iio_trig * so it isn't actually a bug, just a
less than ideal bit of code ;)
Absolutely.
It was so obviously a fix I didn't initially check if it
was a 'real' bug or not. oops.
Yes, I took this path myself as well ;-)
Bye,
---
diff -u -p a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -279,7 +279,7 @@ static int at91_adc_trigger_init(struct
int i, ret;
st->trig = devm_kzalloc(&idev->dev,
- st->trigger_number * sizeof(st->trig),
+ st->trigger_number * sizeof(*st->trig),
GFP_KERNEL);
if (st->trig == NULL) {
--
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--
Nicolas Ferre
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