5.15-stable review patch. If anyone has any objections, please let me know.
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From: Chenyuan Yang chenyuan0y@gmail.com
commit 4cdf1d2a816a93fa02f7b6b5492dc7f55af2a199 upstream.
The off_gpios could be NULL. Add missing check in the kb3930_probe(). This is similar to the issue fixed in commit b1ba8bcb2d1f ("backlight: hx8357: Fix potential NULL pointer dereference").
This was detected by our static analysis tool.
Cc: stable@vger.kernel.org Fixes: ede6b2d1dfc0 ("mfd: ene-kb3930: Add driver for ENE KB3930 Embedded Controller") Suggested-by: Lee Jones lee@kernel.org Signed-off-by: Chenyuan Yang chenyuan0y@gmail.com Link: https://lore.kernel.org/r/20250224233736.1919739-1-chenyuan0y@gmail.com Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mfd/ene-kb3930.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mfd/ene-kb3930.c +++ b/drivers/mfd/ene-kb3930.c @@ -162,7 +162,7 @@ static int kb3930_probe(struct i2c_clien devm_gpiod_get_array_optional(dev, "off", GPIOD_IN); if (IS_ERR(ddata->off_gpios)) return PTR_ERR(ddata->off_gpios); - if (ddata->off_gpios->ndescs < 2) { + if (ddata->off_gpios && ddata->off_gpios->ndescs < 2) { dev_err(dev, "invalid off-gpios property\n"); return -EINVAL; }