From a5a98554206651b25d84a25b49eeac31dffbe358 Mon Sep 17 00:00:00 2001 From: Xidong Wang Date: Wed, 18 Dec 2019 13:56:38 +0800 Subject: [PATCH] staging: nvec: check return value In nvec_kbd_probe(), the return value of devm_input_allocate_device() should be checked before it is used. Signed-off-by: Xidong Wang Link: https://lore.kernel.org/r/1576648598-12257-1-git-send-email-wangxidong_97@163.com Acked-by: Marc Dietrich Signed-off-by: Greg Kroah-Hartman --- drivers/staging/nvec/nvec_kbd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/nvec/nvec_kbd.c b/drivers/staging/nvec/nvec_kbd.c index 01dbb66f7e9a..386d619e3ee9 100644 --- a/drivers/staging/nvec/nvec_kbd.c +++ b/drivers/staging/nvec/nvec_kbd.c @@ -123,6 +123,8 @@ static int nvec_kbd_probe(struct platform_device *pdev) keycodes[j++] = extcode_tab_us102[i]; idev = devm_input_allocate_device(&pdev->dev); + if (!idev) + return -ENOMEM; idev->name = "nvec keyboard"; idev->phys = "nvec"; idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_LED);