[PATCH linux dev-5.8] spi: fsi: Fix transfer returning without finalizing message
Eddie James
eajames at linux.ibm.com
Wed Nov 11 08:38:32 AEDT 2020
In the case that the SPI mux isn't set, the transfer_one_message
function returns without finalizing the message. This means that
the transfer never completes, resulting in hung tasks and an
eventual kernel panic. Fix it by finalizing the transfer in this
case.
Fixes: 389874ec96e2 ("spi: fsi: Check mux status before transfers")
Signed-off-by: Eddie James <eajames at linux.ibm.com>
---
drivers/spi/spi-fsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-fsi.c b/drivers/spi/spi-fsi.c
index fec8f479687f..56b96bc16b7f 100644
--- a/drivers/spi/spi-fsi.c
+++ b/drivers/spi/spi-fsi.c
@@ -477,7 +477,7 @@ static int fsi_spi_transfer_one_message(struct spi_controller *ctlr,
rc = fsi_spi_check_mux(ctx->fsi, ctx->dev);
if (rc)
- return rc;
+ goto error;
list_for_each_entry(transfer, &mesg->transfers, transfer_list) {
struct fsi_spi_sequence seq;
--
2.26.2
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