diff options
Diffstat (limited to 'drivers/staging/iio/Documentation/lsiio.c')
-rw-r--r-- | drivers/staging/iio/Documentation/lsiio.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/staging/iio/Documentation/lsiio.c b/drivers/staging/iio/Documentation/lsiio.c index 24ae9694eb41..98a0de098130 100644 --- a/drivers/staging/iio/Documentation/lsiio.c +++ b/drivers/staging/iio/Documentation/lsiio.c @@ -46,6 +46,7 @@ static int dump_channels(const char *dev_dir_name) { DIR *dp; const struct dirent *ent; + dp = opendir(dev_dir_name); if (dp == NULL) return -errno; @@ -62,17 +63,17 @@ static int dump_one_device(const char *dev_dir_name) { char name[IIO_MAX_NAME_LENGTH]; int dev_idx; + int retval; - sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), + retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_device), "%i", &dev_idx); + if (retval != 1) + return -EINVAL; read_sysfs_string("name", dev_dir_name, name); printf("Device %03d: %s\n", dev_idx, name); - if (verblevel >= VERBLEVEL_SENSORS) { - int ret = dump_channels(dev_dir_name); - if (ret) - return ret; - } + if (verblevel >= VERBLEVEL_SENSORS) + return dump_channels(dev_dir_name); return 0; } @@ -80,9 +81,12 @@ static int dump_one_trigger(const char *dev_dir_name) { char name[IIO_MAX_NAME_LENGTH]; int dev_idx; + int retval; - sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger), + retval = sscanf(dev_dir_name + strlen(iio_dir) + strlen(type_trigger), "%i", &dev_idx); + if (retval != 1) + return -EINVAL; read_sysfs_string("name", dev_dir_name, name); printf("Trigger %03d: %s\n", dev_idx, name); return 0; @@ -107,6 +111,7 @@ static void dump_devices(void) while (ent = readdir(dp), ent != NULL) { if (check_prefix(ent->d_name, type_device)) { char *dev_dir_name; + asprintf(&dev_dir_name, "%s%s", iio_dir, ent->d_name); dump_one_device(dev_dir_name); free(dev_dir_name); @@ -118,6 +123,7 @@ static void dump_devices(void) while (ent = readdir(dp), ent != NULL) { if (check_prefix(ent->d_name, type_trigger)) { char *dev_dir_name; + asprintf(&dev_dir_name, "%s%s", iio_dir, ent->d_name); dump_one_trigger(dev_dir_name); free(dev_dir_name); |