When da9052_reg_write fails, the lack of error-handling code may
cause unexpected results.
This patch adds error-handling code after calling da9052_reg_write.
Signed-off-by: Zhouyang Jia <jiazhouyang09@xxxxxxxxx>
---
drivers/input/touchscreen/da9052_tsi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/da9052_tsi.c b/drivers/input/touchscreen/da9052_tsi.c
index b5dfd594..60c82a0 100644
--- a/drivers/input/touchscreen/da9052_tsi.c
+++ b/drivers/input/touchscreen/da9052_tsi.c
@@ -319,8 +319,11 @@ static int da9052_ts_probe(struct platform_device *pdev)
static int da9052_ts_remove(struct platform_device *pdev)
{
struct da9052_tsi *tsi = platform_get_drvdata(pdev);
+ int error;
- da9052_reg_write(tsi->da9052, DA9052_LDO9_REG, 0x19);
+ error = da9052_reg_write(tsi->da9052, DA9052_LDO9_REG, 0x19);
+ if (error < 0)
+ return error;
da9052_free_irq(tsi->da9052, DA9052_IRQ_TSIREADY, tsi);
da9052_free_irq(tsi->da9052, DA9052_IRQ_PENDOWN, tsi);
--
2.7.4
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