Fix a race where a pending interrupt could be received and the handler
called before the handler's data has been setup, by converting to
irq_set_chained_handler_and_data().
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
Depends on patch 1.
drivers/gpio/gpio-tegra.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 1741981d53c8..56dcc8ed98de 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -515,8 +515,8 @@ static int tegra_gpio_probe(struct platform_device *pdev)
for (i = 0; i < tegra_gpio_bank_count; i++) {
bank = &tegra_gpio_banks[i];
- irq_set_chained_handler(bank->irq, tegra_gpio_irq_handler);
- irq_set_handler_data(bank->irq, bank);
+ irq_set_chained_handler_and_data(bank->irq,
+ tegra_gpio_irq_handler, bank);
for (j = 0; j < 4; j++)
spin_lock_init(&bank->lvl_lock[j]);
--
2.1.0
--
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