diff options
Diffstat (limited to 'include/linux/serial_core.h')
-rw-r--r-- | include/linux/serial_core.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index cf3a1e789bf5..8cb267b1fcd5 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -152,6 +152,7 @@ struct uart_port { unsigned long sysrq; /* sysrq timeout */ #endif + /* flags must be updated while holding port mutex */ upf_t flags; #define UPF_FOURPORT ((__force upf_t) (1 << 1)) |