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| author | Haoran Liu <liuhaoran14@163.com> | 2023-12-03 20:00:23 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-12-03 20:04:34 +0100 |
| commit | 59b6a747e2d39227ac2325c5e29d6ab3bb070c2a (patch) | |
| tree | eaa0389e7b23d9f5067dd1dbe95eadc39d8bd113 /drivers/input | |
| parent | Input: amimouse - convert to platform remove callback returning void (diff) | |
| download | linux-59b6a747e2d39227ac2325c5e29d6ab3bb070c2a.tar.xz linux-59b6a747e2d39227ac2325c5e29d6ab3bb070c2a.zip | |
Input: ipaq-micro-keys - add error handling for devm_kmemdup
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>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/ipaq-micro-keys.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/keyboard/ipaq-micro-keys.c b/drivers/input/keyboard/ipaq-micro-keys.c index 7b509bce2b33..1d71dd79ffd2 100644 --- a/drivers/input/keyboard/ipaq-micro-keys.c +++ b/drivers/input/keyboard/ipaq-micro-keys.c @@ -105,6 +105,9 @@ 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); |