If wait_for_completion_interruptible_timeout returns a positive value
it may be propagated as the return value of _dln2_transfer. This
contradicts the documentation of the function and exposes unnecessary
internals to the callers.
This patch makes sure to set the return value to 0 in that case.
Reported-by: Julia Lawall <julia.lawall@xxxxxxx>
Signed-off-by: Octavian Purdila <octavian.purdila@xxxxxxxxx>
---
drivers/mfd/dln2.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 9765a17..f0747a1 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -462,7 +462,8 @@ static int _dln2_transfer(struct dln2_dev *dln2, u16 handle, u16 cmd,
if (!ret)
ret = -ETIMEDOUT;
goto out_free_rx_slot;
- }
+ } else
+ ret = 0;
if (dln2->disconnect) {
ret = -ENODEV;
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
