diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/drivers/chan_kern.c | 4 | ||||
| -rw-r--r-- | arch/um/drivers/line.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 3a95498155a1..390920d63a24 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -547,6 +547,7 @@ int parse_chan_pair(char *str, struct line *line, int device, char *in, *out; if (!list_empty(chans)) { + line->chan_in = line->chan_out = NULL; free_chan(chans); INIT_LIST_HEAD(chans); } @@ -565,6 +566,7 @@ int parse_chan_pair(char *str, struct line *line, int device, new->input = 1; list_add(&new->list, chans); + line->chan_in = new; new = parse_chan(line, out, device, opts, error_out); if (new == NULL) @@ -572,6 +574,7 @@ int parse_chan_pair(char *str, struct line *line, int device, list_add(&new->list, chans); new->output = 1; + line->chan_out = new; } else { new = parse_chan(line, str, device, opts, error_out); @@ -581,6 +584,7 @@ int parse_chan_pair(char *str, struct line *line, int device, list_add(&new->list, chans); new->input = 1; new->output = 1; + line->chan_in = line->chan_out = new; } return 0; } diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h index 95991994a93b..6cb05a22e9b0 100644 --- a/arch/um/drivers/line.h +++ b/arch/um/drivers/line.h @@ -39,6 +39,7 @@ struct line { char *init_str; struct list_head chan_list; + struct chan *chan_in, *chan_out; /*This lock is actually, mostly, local to*/ spinlock_t lock; |