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authorStefan Wahren <wahrenst@gmx.net>2024-01-28 21:10:45 +0100
committerDavid S. Miller <davem@davemloft.net>2024-01-31 13:38:50 +0000
commitc494a01abe01fcfcbbcd849023ce06a573963aed (patch)
treedb5caca34ea4f959947b58836ea9b0535bd9d27f /drivers/net/ethernet/qualcomm
parente746094b1bb09efa2eaacf5e945f78a0e09c9c35 (diff)
qca_spi: Add check for kthread_stop
We better not rely on that spi_thread points to a running thread. So add an check for this. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qualcomm')
-rw-r--r--drivers/net/ethernet/qualcomm/qca_spi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 5f3c11fb3fa2..77bab8bf5203 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -730,8 +730,10 @@ qcaspi_netdev_close(struct net_device *dev)
qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, 0, wr_verify);
free_irq(qca->spi_dev->irq, qca);
- kthread_stop(qca->spi_thread);
- qca->spi_thread = NULL;
+ if (qca->spi_thread) {
+ kthread_stop(qca->spi_thread);
+ qca->spi_thread = NULL;
+ }
qcaspi_flush_tx_ring(qca);
return 0;