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Commit e471d9ca authored by Manohar Vavilapalli's avatar Manohar Vavilapalli Committed by Gerrit - the friendly Code Review server
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drivers: iio: imu: Add NULL check before using 'irq_get_irq_data' 



Add NULL check to avoid potential NULL pointer dereference.

Change-Id: Id383ce6deb7139a32e77567afedbe854c2b5654f
Signed-off-by: default avatarManohar Vavilapalli <mvavilap@codeaurora.org>
parent a4dc5255

drivers/iio/imu/st_asm330lhh/st_asm330lhh_buffer.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -538,6 +538,8 @@ int st_asm330lhh_fifo_setup(struct st_asm330lhh_hw *hw) 
	bool irq_active_low;

	bool irq_active_low;

	int i, err;

	int i, err;





	if (!irq_get_irq_data(hw->irq))

		return -EINVAL;

	irq_type = irqd_get_trigger_type(irq_get_irq_data(hw->irq));

	irq_type = irqd_get_trigger_type(irq_get_irq_data(hw->irq));

	if (irq_type == IRQF_TRIGGER_NONE)

	if (irq_type == IRQF_TRIGGER_NONE)

		irq_type = IRQF_TRIGGER_HIGH;

		irq_type = IRQF_TRIGGER_HIGH;