pti: ENXIO error case memory leak PTI fix.

This patch fixes a memory leak that can occur in the error case
ENXIO is returned in the pti_tty_install() routine.

Signed-off-by: J Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index be4857358d91..e74e7d266569 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -476,8 +476,10 @@ static int pti_tty_install(struct tty_driver *driver, struct tty_struct *tty)
                 else
                         pti_tty_data->mc = pti_request_masterchannel(2);
 
-                if (pti_tty_data->mc == NULL)
+                if (pti_tty_data->mc == NULL) {
+                        kfree(pti_tty_data);
                         return -ENXIO;
+                }
                 tty->driver_data = pti_tty_data;
         }