spi: tegra210-quad: Fix iterator outside loop
Fix warn: iterator used outside loop: 'xfer'. 'xfer' variable contain
invalid value in few conditions. Complete transfer within DATA phase
in successful case and at the end for failed transfer.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link:https://lore.kernel.org/all/202210191211.46FkzKmv-lkp@intel.com/
Fixes: 8777dd9dff40 ("spi: tegra210-quad: Fix combined sequence")
Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/20230227200428.45832-1-kyarlagadda@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c
index 9aaca228..0b9bc3b 100644
--- a/drivers/spi/spi-tegra210-quad.c
+++ b/drivers/spi/spi-tegra210-quad.c
@@ -1156,6 +1156,10 @@
ret = -EIO;
goto exit;
}
+ if (!xfer->cs_change) {
+ tegra_qspi_transfer_end(spi);
+ spi_transfer_delay_exec(xfer);
+ }
break;
default:
ret = -EINVAL;
@@ -1164,14 +1168,14 @@
msg->actual_length += xfer->len;
transfer_phase++;
}
- if (!xfer->cs_change) {
- tegra_qspi_transfer_end(spi);
- spi_transfer_delay_exec(xfer);
- }
ret = 0;
exit:
msg->status = ret;
+ if (ret < 0) {
+ tegra_qspi_transfer_end(spi);
+ spi_transfer_delay_exec(xfer);
+ }
return ret;
}
