6.16-stable review patch. If anyone has any objections, please let me know.
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From: Stefan Wahren wahrenst@gmx.net
commit b3852ae3105ec1048535707545d23c1e519c190f upstream.
There is no guarantee that spi_setup succeed, so properly handle the error case.
Fixes: aa58bec064ab ("net: ethernet: oa_tc6: implement register write operation") Signed-off-by: Stefan Wahren wahrenst@gmx.net Cc: stable@kernel.org Reviewed-by: Andrew Lunn andrew@lunn.ch Reviewed-by: Jacob Keller jacob.e.keller@intel.com Link: https://patch.msgid.link/20250827115341.34608-2-wahrenst@gmx.net Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/oa_tc6.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/oa_tc6.c +++ b/drivers/net/ethernet/oa_tc6.c @@ -1249,7 +1249,8 @@ struct oa_tc6 *oa_tc6_init(struct spi_de
/* Set the SPI controller to pump at realtime priority */ tc6->spi->rt = true; - spi_setup(tc6->spi); + if (spi_setup(tc6->spi) < 0) + return NULL;
tc6->spi_ctrl_tx_buf = devm_kzalloc(&tc6->spi->dev, OA_TC6_CTRL_SPI_BUF_SIZE,