devm_kasprintf() returns NULL when memory allocation fails. Currently, tps6594_pfsm_probe() does not check for this case, which results in a NULL pointer dereference.

Add NULL check after devm_kasprintf() to prevent this issue.

Cc: stable@vger.kernel.org # 6.5+ Fixes: a0df3ef087f8 ("misc: tps6594-pfsm: Add driver for TI TPS6594 PFSM") Signed-off-by: Henry Martin bsdhenrymartin@gmail.com --- V1 -> V2: Add Cc stable line.

drivers/misc/tps6594-pfsm.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/tps6594-pfsm.c b/drivers/misc/tps6594-pfsm.c index 0a24ce44cc37..0d9dad20b6ae 100644 --- a/drivers/misc/tps6594-pfsm.c +++ b/drivers/misc/tps6594-pfsm.c @@ -281,6 +281,8 @@ static int tps6594_pfsm_probe(struct platform_device *pdev) pfsm->miscdev.minor = MISC_DYNAMIC_MINOR; pfsm->miscdev.name = devm_kasprintf(dev, GFP_KERNEL, "pfsm-%ld-0x%02x", tps->chip_id, tps->reg); + if (!pfsm->miscdev.name) + return -ENOMEM; pfsm->miscdev.fops = &tps6594_pfsm_fops; pfsm->miscdev.parent = dev->parent; pfsm->chip_id = tps->chip_id;