spi: signedness bug in qspi_trigger_transfer_out_int()

We need "ret" to be unsigned for the error handling to work.  The
signedness of "i" and "n" don't matter but qspi_set_send_trigger()
returns an int so I've changed them to int as well.

Fixes: 4b6fe3edcbba ('spi: Using Trigger number to transmit/receive data')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index fd276f9..186924a 100644 (file)
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -727,7 +727,7 @@ static int rspi_rz_transfer_one(struct spi_master *master,
 static int qspi_trigger_transfer_out_int(struct rspi_data *rspi, const u8 *tx,
                                        u8 *rx, unsigned int len)
 {
-       unsigned int i, n, ret;
+       int i, n, ret;
        int error;
 
        while (len > 0) {