tests: drivers: spi_loopback: Fix NULL rx buff testcase

Raffael Rostagno · kartben · commit d8358b29a0fc · 2025-06-04T08:46:05.000+02:00
Fixes setup of TX buffer, which shouldn't be NULL in the RX NULL
tescase.

Signed-off-by: Raffael Rostagno &lt;raffael.rostagno@espressif.com&gt;
diff --git a/tests/drivers/spi/spi_loopback/src/spi.c b/tests/drivers/spi/spi_loopback/src/spi.c
@@ -555,7 +555,7 @@ ZTEST(spi_loopback, test_spi_null_rx_buf_set)
 {
 	struct spi_dt_spec *spec = loopback_specs[spec_idx];
 	const struct spi_buf_set tx = spi_loopback_setup_xfer(tx_bufs_pool, 1,
-							      NULL, BUF_SIZE);
+							      buffer_tx, BUF_SIZE);
 
 	spi_loopback_transceive(spec, &tx, NULL);
 }

Original file line number	Diff line number	Diff line change
`@@ -555,7 +555,7 @@ ZTEST(spi_loopback, test_spi_null_rx_buf_set)`
`555`	`555`	`{`
`556`	`556`	`struct spi_dt_spec *spec = loopback_specs[spec_idx];`
`557`	`557`	`const struct spi_buf_set tx = spi_loopback_setup_xfer(tx_bufs_pool, 1,`
`558`		`- NULL, BUF_SIZE);`
	`558`	`+ buffer_tx, BUF_SIZE);`
`559`	`559`
`560`	`560`	`spi_loopback_transceive(spec, &tx, NULL);`
`561`	`561`	`}`