Commit 22ad7499 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller

hso: memsetting wrong data in hso_get_count()

The intent was to clear out the icount struct here, but we accidentally
clear stack memory instead.  It probably will lead to a NULL dereference
right away.
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5d38b1f8
...@@ -1632,7 +1632,7 @@ static int hso_get_count(struct tty_struct *tty, ...@@ -1632,7 +1632,7 @@ static int hso_get_count(struct tty_struct *tty,
struct hso_serial *serial = get_serial_by_tty(tty); struct hso_serial *serial = get_serial_by_tty(tty);
struct hso_tiocmget *tiocmget = serial->tiocmget; struct hso_tiocmget *tiocmget = serial->tiocmget;
memset(&icount, 0, sizeof(struct serial_icounter_struct)); memset(icount, 0, sizeof(struct serial_icounter_struct));
if (!tiocmget) if (!tiocmget)
return -ENOENT; return -ENOENT;
......
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