4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Haoran Liu liuhaoran14@163.com
[ Upstream commit 59b6a747e2d39227ac2325c5e29d6ab3bb070c2a ]
Check the return value of i2c_add_adapter. Static analysis revealed that the function did not properly handle potential failures of i2c_add_adapter, which could lead to partial initialization of the I2C adapter and unstable operation.
Signed-off-by: Haoran Liu liuhaoran14@163.com Link: https://lore.kernel.org/r/20231203164653.38983-1-liuhaoran14@163.com Fixes: d7535ffa427b ("Input: driver for microcontroller keys on the iPaq h3xxx") Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/keyboard/ipaq-micro-keys.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/input/keyboard/ipaq-micro-keys.c b/drivers/input/keyboard/ipaq-micro-keys.c index 602900d1f9378..2d0d09ee9ab08 100644 --- a/drivers/input/keyboard/ipaq-micro-keys.c +++ b/drivers/input/keyboard/ipaq-micro-keys.c @@ -108,6 +108,9 @@ static int micro_key_probe(struct platform_device *pdev) keys->codes = devm_kmemdup(&pdev->dev, micro_keycodes, keys->input->keycodesize * keys->input->keycodemax, GFP_KERNEL); + if (!keys->codes) + return -ENOMEM; + keys->input->keycode = keys->codes;
__set_bit(EV_KEY, keys->input->evbit);