Drop invalid user-pointer checks from custom ioctl handlers.
A NULL-pointer can be valid in user space and copy_to_user() takes care
of sanity checking.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/tty/rocket.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
index b0cc47c77b40..d66c1edd9892 100644
--- a/drivers/tty/rocket.c
+++ b/drivers/tty/rocket.c
@@ -1189,8 +1189,6 @@ static int get_config(struct r_port *info, struct rocket_config __user *retinfo)
{
struct rocket_config tmp;
- if (!retinfo)
- return -EFAULT;
memset(&tmp, 0, sizeof (tmp));
mutex_lock(&info->port.mutex);
tmp.line = info->line;
@@ -1255,8 +1253,6 @@ static int get_ports(struct r_port *info, struct rocket_ports __user *retports)
struct rocket_ports tmp;
int board;
- if (!retports)
- return -EFAULT;
memset(&tmp, 0, sizeof (tmp));
tmp.tty_major = rocket_driver->major;
--
2.7.3
--
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