devm_kasprintf() return NULL if memory allocation fails. Currently,
wled_configure() does not check for this case, leading to a possible NULL
pointer dereference.
Add NULL check after devm_kasprintf() to prevent this issue.
Fixes: f86b77583d88 ("backlight: pm8941: Convert to using %pOFn instead o
On Mon, Mar 31, 2025 at 10:16:54PM +0800, Henry Martin wrote:
> devm_kasprintf() return NULL if memory allocation fails. Currently,
> wled_configure() does not check for this case, leading to a possible NULL
> pointer dereference.
>
> Add NULL check after devm_kasprintf() to prevent this issue.
>
> devm_kasprintf() return NULL if memory allocation fails. Currently,
call? failed?
> wled_configure() does not check for this case, leading to a possible NULL
> pointer dereference.
You may omit the word “possible” in such a change description.
(W