[PATCH 1/1] staging: nvec: check return value

From: Xidong Wang
Date: Wed Dec 18 2019 - 00:57:32 EST


In nvec_kbd_probe(), the return value of devm_input_allocate_device()
should be checked before it is used.

Signed-off-by: Xidong Wang <wangxidong_97@xxxxxxx>
---
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 01dbb66..386d619 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);
--
2.7.4