Cc: Christopher Heiny <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Signed-off-by: Courtney Cavin <[email protected]>
---
drivers/input/rmi4/rmi_f01.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index 22b57f2..06fc5bc 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -318,13 +318,15 @@ static int rmi_f01_initialize(struct rmi_function *fn)
ctrl_base_addr += sizeof(u8);
data->interrupt_enable_addr = ctrl_base_addr;
- error = rmi_read_block(rmi_dev, ctrl_base_addr,
- data->device_control.interrupt_enable,
- sizeof(u8) * (data->num_of_irq_regs));
- if (error < 0) {
- dev_err(&fn->dev,
- "Failed to read F01 control interrupt enable
register.\n");
- goto error_exit;
+ if (data->num_of_irq_regs > 0) {
+ error = rmi_read_block(rmi_dev, ctrl_base_addr,
+ data->device_control.interrupt_enable,
+ sizeof(u8) * (data->num_of_irq_regs));
+ if (error < 0) {
+ dev_err(&fn->dev,
+ "Failed to read F01 control interrupt enable
register.\n");
+ goto error_exit;
+ }
}
ctrl_base_addr += data->num_of_irq_regs;
--
1.8.1.5
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