This is a note to let you know that I've just added the patch titled
ptp: use kcalloc when allocating arrays
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ptp-use-kcalloc-when-allocating-arrays.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6f7aa56bae6ff38727d5c8bf6ee7d4202b4e3865 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Date: Tue, 14 Feb 2017 10:23:32 -0800
Subject: ptp: use kcalloc when allocating arrays
From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
commit 6f7aa56bae6ff38727d5c8bf6ee7d4202b4e3865 upstream.
kcalloc is more semantically correct when allocating arrays of objects, and
overflow-safe.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/ptp/ptp_sysfs.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/ptp/ptp_sysfs.c
+++ b/drivers/ptp/ptp_sysfs.c
@@ -269,13 +269,12 @@ static int ptp_populate_pins(struct ptp_
struct ptp_clock_info *info = ptp->info;
int err = -ENOMEM, i, n_pins = info->n_pins;
- ptp->pin_dev_attr = kzalloc(n_pins * sizeof(*ptp->pin_dev_attr),
+ ptp->pin_dev_attr = kcalloc(n_pins, sizeof(*ptp->pin_dev_attr),
GFP_KERNEL);
if (!ptp->pin_dev_attr)
goto no_dev_attr;
- ptp->pin_attr = kzalloc((1 + n_pins) * sizeof(struct attribute *),
- GFP_KERNEL);
+ ptp->pin_attr = kcalloc(1 + n_pins, sizeof(*ptp->pin_attr), GFP_KERNEL);
if (!ptp->pin_attr)
goto no_pin_attr;
Patches currently in stable-queue which might be from dmitry.torokhov@xxxxxxxxx are
queue-4.9/ptp-use-kcalloc-when-allocating-arrays.patch
queue-4.9/ptp-do-not-explicitly-set-drvdata-in-ptp_clock_register.patch
queue-4.9/input-atmel_mxt_ts-disable-irq-across-suspend.patch
queue-4.9/ptp-use-is_visible-method-to-hide-unused-attributes.patch
queue-4.9/ptp-create-pins-together-with-the-rest-of-attributes.patch
