diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-01-30 16:32:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-20 12:10:27 +0200 |
| commit | e1f80b4dfad966638f5c65ae9f98d599c4be8cf2 (patch) | |
| tree | 5f629185a082f13321f1e62317c376967d81bec9 | |
| parent | 81c30f89b9c3293b5b53e96b97fd71bc2d052c57 (diff) | |
| download | linux-stable-e1f80b4dfad966638f5c65ae9f98d599c4be8cf2.tar.gz linux-stable-e1f80b4dfad966638f5c65ae9f98d599c4be8cf2.tar.bz2 linux-stable-e1f80b4dfad966638f5c65ae9f98d599c4be8cf2.zip | |
i2c: imx-lpi2c: clean rx/tx buffers upon new message
[ Upstream commit 987dd36c0141f6ab9f0fbf14d6b2ec3342dedb2f ]
When start sending a new message clear the Rx & Tx buffer pointers in
order to avoid using stale pointers.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Tested-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/i2c/busses/i2c-imx-lpi2c.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index 2018dbcf241e..d45ec26d51cb 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -462,6 +462,8 @@ static int lpi2c_imx_xfer(struct i2c_adapter *adapter, if (num == 1 && msgs[0].len == 0) goto stop; + lpi2c_imx->rx_buf = NULL; + lpi2c_imx->tx_buf = NULL; lpi2c_imx->delivered = 0; lpi2c_imx->msglen = msgs[i].len; init_completion(&lpi2c_imx->complete); |