diff options
| author | Kunwu Chan <chentao@kylinos.cn> | 2023-12-08 06:33:20 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-26 02:35:49 +0300 |
| commit | f53d8c6c6ecca4cbba1e52f7e0286ff26af8b9be (patch) | |
| tree | 8b29478f5fe1770c7d9494639477261ae08a5c1b | |
| parent | bd4d5b6fe15d03a27b1e5295d9963e45c0844d6b (diff) | |
| download | linux-f53d8c6c6ecca4cbba1e52f7e0286ff26af8b9be.tar.xz | |
mfd: tps6594: Add null pointer check to tps6594_device_init()
[ Upstream commit 825906f2ebe83977d747d8bce61675dddd72485d ]
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 <lee@kernel.org>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Link: https://lore.kernel.org/r/20231208033320.49345-1-chentao@kylinos.cn
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -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) |