diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/drivers/line.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 1c2cc5d48bb..1352a212964 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -555,12 +555,13 @@ int line_setup(struct line *lines, unsigned int num, char *init) } } } - return 1; + return n == -1 ? num : n; } int line_config(struct line *lines, unsigned int num, char *str) { char *new; + int n; if(*str == '='){ printk("line_config - can't configure all devices from " @@ -573,7 +574,8 @@ int line_config(struct line *lines, unsigned int num, char *str) printk("line_config - kstrdup failed\n"); return -ENOMEM; } - return !line_setup(lines, num, new); + n = line_setup(lines, num, new); + return n < 0 ? n : 0; } int line_get_config(char *name, struct line *lines, unsigned int num, char *str, @@ -624,10 +626,14 @@ int line_id(char **str, int *start_out, int *end_out) int line_remove(struct line *lines, unsigned int num, int n) { + int err; char config[sizeof("conxxxx=none\0")]; sprintf(config, "%d=none", n); - return !line_setup(lines, num, config); + err = line_setup(lines, num, config); + if(err >= 0) + err = 0; + return err; } struct tty_driver *line_register_devfs(struct lines *set, |