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path: root/drivers/usb/early/xhci-dbc.c
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Diffstat (limited to 'drivers/usb/early/xhci-dbc.c')
-rw-r--r--drivers/usb/early/xhci-dbc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index 797047154820..341408410ed9 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -499,8 +499,7 @@ static int xdbc_bulk_transfer(void *data, int size, bool read)
addr = xdbc.in_dma;
xdbc.flags |= XDBC_FLAGS_IN_PROCESS;
} else {
- memset(xdbc.out_buf, 0, XDBC_MAX_PACKET);
- memcpy(xdbc.out_buf, data, size);
+ memcpy_and_pad(xdbc.out_buf, XDBC_MAX_PACKET, data, size, 0);
addr = xdbc.out_dma;
xdbc.flags |= XDBC_FLAGS_OUT_PROCESS;
}
@@ -874,13 +873,14 @@ retry:
static void early_xdbc_write(struct console *con, const char *str, u32 n)
{
- static char buf[XDBC_MAX_PACKET];
+ /* static variables are zeroed, so buf is always NULL terminated */
+ static char buf[XDBC_MAX_PACKET + 1];
int chunk, ret;
int use_cr = 0;
if (!xdbc.xdbc_reg)
return;
- memset(buf, 0, XDBC_MAX_PACKET);
+
while (n > 0) {
for (chunk = 0; chunk < XDBC_MAX_PACKET && n > 0; str++, chunk++, n--) {