diff options
| author | John W. Linville <[email protected]> | 2014-02-24 15:04:35 -0500 |
|---|---|---|
| committer | John W. Linville <[email protected]> | 2014-02-24 15:04:35 -0500 |
| commit | db18014f65f62879e70be55898be3fd68a3363a8 (patch) | |
| tree | 90d5e33852753f43d76d25f8d22a64a9e5bd94e8 /include/linux/tty.h | |
| parent | c77986c78aa941af8266272841567e78b72d54cc (diff) | |
| parent | 668b7b19820b0801c425d31cc27fd6f499050e5c (diff) | |
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 90b4fdc8a61f..4781d7b27dd3 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -518,9 +518,9 @@ extern void tty_port_put(struct tty_port *port); static inline struct tty_port *tty_port_get(struct tty_port *port) { - if (port) - kref_get(&port->kref); - return port; + if (port && kref_get_unless_zero(&port->kref)) + return port; + return NULL; } /* If the cts flow control is enabled, return true. */ |