This avoids a race condition where complete(tx_complete) could be called
before tx_complete is initialized.
Signed-off-by: Alan Ott <a...@signal11.us>
---
drivers/net/ieee802154/mrf24j40.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ieee802154/mrf24j40.c
b/drivers/net/ieee802154/mrf24j40.c
index 556151d..0ea2a5a 100644
--- a/drivers/net/ieee802154/mrf24j40.c
+++ b/drivers/net/ieee802154/mrf24j40.c
@@ -345,6 +345,8 @@ static int mrf24j40_tx(struct ieee802154_dev *dev, struct
sk_buff *skb)
if (ret)
goto err;
+ INIT_COMPLETION(devrec->tx_complete);
+
/* Set TXNTRIG bit of TXNCON to send packet */
ret = read_short_reg(devrec, REG_TXNCON, &val);
if (ret)
@@ -355,8 +357,6 @@ static int mrf24j40_tx(struct ieee802154_dev *dev, struct
sk_buff *skb)
val |= 0x4;
write_short_reg(devrec, REG_TXNCON, val);
- INIT_COMPLETION(devrec->tx_complete);
-
/* Wait for the device to send the TX complete interrupt. */
ret = wait_for_completion_interruptible_timeout(
&devrec->tx_complete,
--
1.7.11.2
------------------------------------------------------------------------------
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