[PATCH 02/13] hvc: Fix use of uninitialized array in udbg_hvc_putc

[Nicholas Miehlbradt]

All elements of bounce_buffer are eventually read and passed to the
hypervisor so it should probably be fully initialized.

Signed-off-by: Nicholas Miehlbradt <nicholas@xxxxxxxxxxxxx>
---
 drivers/tty/hvc/hvc_vio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c
index 736b230f5ec0..1e88bfcdde20 100644
--- a/drivers/tty/hvc/hvc_vio.c
+++ b/drivers/tty/hvc/hvc_vio.c
@@ -227,7 +227,7 @@ static const struct hv_ops hvterm_hvsi_ops = {
 static void udbg_hvc_putc(char c)
 {
 	int count = -1;
-	unsigned char bounce_buffer[16];
+	unsigned char bounce_buffer[16] = { 0 };
 
 	if (!hvterm_privs[0])
 		return;
-- 
2.40.1