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-rw-r--r--drivers/spi/spidev.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 225d6b2f82dd..bcfef04f547e 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -168,6 +168,12 @@ static int spidev_message(struct spidev_data *spidev,
n--, k_tmp++, u_tmp++) {
k_tmp->len = u_tmp->len;
+ total += k_tmp->len;
+ if (total > bufsiz) {
+ status = -EMSGSIZE;
+ goto done;
+ }
+
if (u_tmp->rx_buf) {
k_tmp->rx_buf = buf;
if (!access_ok(VERIFY_WRITE, u_tmp->rx_buf, u_tmp->len))
@@ -179,12 +185,6 @@ static int spidev_message(struct spidev_data *spidev,
u_tmp->len))
goto done;
}
-
- total += k_tmp->len;
- if (total > bufsiz) {
- status = -EMSGSIZE;
- goto done;
- }
buf += k_tmp->len;
k_tmp->cs_change = !!u_tmp->cs_change;