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path: root/drivers/spi/spidev.c
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Diffstat (limited to 'drivers/spi/spidev.c')
-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,
168 n--, k_tmp++, u_tmp++) { 168 n--, k_tmp++, u_tmp++) {
169 k_tmp->len = u_tmp->len; 169 k_tmp->len = u_tmp->len;
170 170
171 total += k_tmp->len;
172 if (total > bufsiz) {
173 status = -EMSGSIZE;
174 goto done;
175 }
176
171 if (u_tmp->rx_buf) { 177 if (u_tmp->rx_buf) {
172 k_tmp->rx_buf = buf; 178 k_tmp->rx_buf = buf;
173 if (!access_ok(VERIFY_WRITE, u_tmp->rx_buf, u_tmp->len)) 179 if (!access_ok(VERIFY_WRITE, u_tmp->rx_buf, u_tmp->len))
@@ -179,12 +185,6 @@ static int spidev_message(struct spidev_data *spidev,
179 u_tmp->len)) 185 u_tmp->len))
180 goto done; 186 goto done;
181 } 187 }
182
183 total += k_tmp->len;
184 if (total > bufsiz) {
185 status = -EMSGSIZE;
186 goto done;
187 }
188 buf += k_tmp->len; 188 buf += k_tmp->len;
189 189
190 k_tmp->cs_change = !!u_tmp->cs_change; 190 k_tmp->cs_change = !!u_tmp->cs_change;