diff options
| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-24 18:10:02 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-04 09:15:21 +0200 |
| commit | ecb44816ba352d9bcf8e0d814d452cbbe45f8bfb (patch) | |
| tree | 3ad421cdafaaef0f20aafc82aeef936f485bd114 /drivers/gpio | |
| parent | 6d18191c3eb53d25e2df7e46a86c3964efdb0394 (diff) | |
gpio: aspeed: fix a potential NULL pointer dereference
[ Upstream commit 6cf4511e9729c00a7306cf94085f9cc3c52ee723 ]
In case devm_kzalloc, the patch returns ENOMEM to avoid potential
NULL pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-aspeed.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index f03fe916eb9d..f6d1bda8a802 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -861,6 +861,8 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) gpio->offset_timer = devm_kzalloc(&pdev->dev, gpio->chip.ngpio, GFP_KERNEL); + if (!gpio->offset_timer) + return -ENOMEM; return aspeed_gpio_setup_irqs(gpio, pdev); } |