diff options
author | Hans de Goede <hdegoede@redhat.com> | 2021-10-31 16:25:22 +0100 |
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committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2021-11-02 13:47:19 +0100 |
commit | cdf10ffe8f626d8a2edc354abf063df0078b2d71 (patch) | |
tree | 235c1a94f992b9de6b8b2c815e0c48ab4c056cb3 /drivers/power/supply | |
parent | 172d0ccea55ce69718bac693d2ea9341fb61b6c7 (diff) | |
download | linux-cdf10ffe8f626d8a2edc354abf063df0078b2d71.tar.gz |
power: supply: bq27xxx: Fix kernel crash on IRQ handler register error
When registering the IRQ handler fails, do not just return the error code, this will free the devm_kzalloc()-ed data struct while leaving the queued work queued and the registered power_supply registered with both of them now pointing to free-ed memory, resulting in various kernel crashes soon afterwards. Instead properly tear-down things on IRQ handler register errors. Fixes: 703df6c09795 ("power: bq27xxx_battery: Reorganize I2C into a module") Cc: Andrew F. Davis <afd@ti.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/supply')
-rw-r--r-- | drivers/power/supply/bq27xxx_battery_i2c.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index 46f078350fd3..cf38cbfe13e9 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -187,7 +187,8 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client, dev_err(&client->dev, "Unable to register IRQ %d error %d\n", client->irq, ret); - return ret; + bq27xxx_battery_teardown(di); + goto err_failed; } } |