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Diffstat (limited to 'src/drivers/spi')
-rw-r--r--src/drivers/spi/spi_flash.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c
index a0e310554a..95362f2618 100644
--- a/src/drivers/spi/spi_flash.c
+++ b/src/drivers/spi/spi_flash.c
@@ -49,11 +49,14 @@ static int do_spi_flash_cmd(const struct spi_slave *spi, const void *dout,
[1] = { .dout = NULL, .bytesout = 0,
.din = din, .bytesin = bytes_in },
};
+ size_t count = ARRAY_SIZE(vectors);
+ if (!bytes_in)
+ count = 1;
if (spi_claim_bus(spi))
return ret;
- if (spi_xfer_vector(spi, vectors, ARRAY_SIZE(vectors)) == 0)
+ if (spi_xfer_vector(spi, vectors, count) == 0)
ret = 0;
spi_release_bus(spi);