diff options
Diffstat (limited to 'tools/iio/generic_buffer.c')
| -rw-r--r-- | tools/iio/generic_buffer.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c index 93ac93f74549..cf9a4120204f 100644 --- a/tools/iio/generic_buffer.c +++ b/tools/iio/generic_buffer.c @@ -347,7 +347,14 @@ int main(int argc, char **argv) .events = POLLIN, }; - poll(&pfd, 1, -1); + ret = poll(&pfd, 1, -1); + if (ret < 0) { + ret = -errno; + goto error_close_buffer_access; + } else if (ret == 0) { + continue; + } + toread = buf_len; } else { @@ -378,11 +385,14 @@ int main(int argc, char **argv) if (!notrigger) /* Disconnect the trigger - just write a dummy name. */ - write_sysfs_string("trigger/current_trigger", - dev_dir_name, "NULL"); + ret = write_sysfs_string("trigger/current_trigger", + dev_dir_name, "NULL"); + if (ret < 0) + printf("Failed to write to %s\n", dev_dir_name); error_close_buffer_access: - close(fp); + if (close(fp) == -1) + perror("Failed to close buffer"); error_free_buffer_access: free(buffer_access); error_free_data: |