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

[Xidong Wang <wangxidong_97@xxxxxxx>]

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