diff options
| -rw-r--r-- | drivers/char/diag/diagfwd_peripheral.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/diag/diagfwd_peripheral.c b/drivers/char/diag/diagfwd_peripheral.c index 3f9f7a999fdf..b04008c8fec3 100644 --- a/drivers/char/diag/diagfwd_peripheral.c +++ b/drivers/char/diag/diagfwd_peripheral.c @@ -855,7 +855,7 @@ int diagfwd_channel_open(struct diagfwd_info *fwd_info) __func__, fwd_info->peripheral, fwd_info->type); return 0; } - + mutex_lock(&driver->diagfwd_channel_mutex[fwd_info->peripheral]); fwd_info->ch_open = 1; diagfwd_buffers_init(fwd_info); diagfwd_write_buffers_init(fwd_info); @@ -873,7 +873,7 @@ int diagfwd_channel_open(struct diagfwd_info *fwd_info) if (fwd_info->p_ops && fwd_info->p_ops->open) fwd_info->p_ops->open(fwd_info->ctxt); } - + mutex_unlock(&driver->diagfwd_channel_mutex[fwd_info->peripheral]); return 0; } @@ -883,6 +883,7 @@ int diagfwd_channel_close(struct diagfwd_info *fwd_info) if (!fwd_info) return -EIO; + mutex_lock(&driver->diagfwd_channel_mutex[fwd_info->peripheral]); fwd_info->ch_open = 0; if (fwd_info && fwd_info->c_ops && fwd_info->c_ops->close) fwd_info->c_ops->close(fwd_info); @@ -898,7 +899,7 @@ int diagfwd_channel_close(struct diagfwd_info *fwd_info) } DIAG_LOG(DIAG_DEBUG_PERIPHERALS, "p: %d t: %d considered closed\n", fwd_info->peripheral, fwd_info->type); - + mutex_unlock(&driver->diagfwd_channel_mutex[fwd_info->peripheral]); return 0; } |