diff options
| author | Kunwu Chan <[email protected]> | 2023-12-08 11:33:20 +0800 |
|---|---|---|
| committer | Lee Jones <[email protected]> | 2023-12-13 15:52:59 +0000 |
| commit | 825906f2ebe83977d747d8bce61675dddd72485d (patch) | |
| tree | 50052f780f762dd83bd18c8b2a5dd9fa4f331d33 | |
| parent | 4f9b632e1bb28e0b5ec6d63a51ea727ce0581ec0 (diff) | |
mfd: tps6594: Add null pointer check to tps6594_device_init()
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Fixes: 325bec7157b3 ("mfd: tps6594: Add driver for TI TPS6594 PMIC")
Suggested-by: Lee Jones <[email protected]>
Signed-off-by: Kunwu Chan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
| -rw-r--r-- | drivers/mfd/tps6594-core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mfd/tps6594-core.c b/drivers/mfd/tps6594-core.c index 0fb9c5cf213a..783ee59901e8 100644 --- a/drivers/mfd/tps6594-core.c +++ b/drivers/mfd/tps6594-core.c @@ -433,6 +433,9 @@ int tps6594_device_init(struct tps6594 *tps, bool enable_crc) tps6594_irq_chip.name = devm_kasprintf(dev, GFP_KERNEL, "%s-%ld-0x%02x", dev->driver->name, tps->chip_id, tps->reg); + if (!tps6594_irq_chip.name) + return -ENOMEM; + ret = devm_regmap_add_irq_chip(dev, tps->regmap, tps->irq, IRQF_SHARED | IRQF_ONESHOT, 0, &tps6594_irq_chip, &tps->irq_data); if (ret) |