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Subject[PATCH 4.17 220/324] net: ieee802154: adf7242: Fix erroneous RX enable
Date
4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Hennerich <michael.hennerich@analog.com>

[ Upstream commit 36d26d6b6208399070a9d7993534fef9fc26b1ba ]

Only enable RX mode if the netdev is opened.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ieee802154/adf7242.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -719,7 +719,10 @@ static int adf7242_channel(struct ieee80
adf7242_write_reg(lp, REG_CH_FREQ1, freq >> 8);
adf7242_write_reg(lp, REG_CH_FREQ2, freq >> 16);

- return adf7242_cmd(lp, CMD_RC_RX);
+ if (test_bit(FLAG_START, &lp->flags))
+ return adf7242_cmd_rx(lp);
+ else
+ return adf7242_cmd(lp, CMD_RC_PHY_RDY);
}

static int adf7242_set_hw_addr_filt(struct ieee802154_hw *hw,

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