pwm.c: Fix error in mraa_pwm_read_duty

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
2014-12-02 10:50:17 +00:00
parent 7ad78d01e5
commit acc3476326
1 changed files with 1 additions and 1 deletions
--- a/src/pwm/pwm.c
+++ b/src/pwm/pwm.c
@@ -136,7 +136,7 @@ mraa_pwm_read_duty(mraa_pwm_context dev)
    lseek(dev->duty_fp, 0, SEEK_SET);
    char output[MAX_SIZE];
    ssize_t rb = read(dev->duty_fp, output, size+1);
-    if (rb > 0) {
+    if (rb < 0) {
        syslog(LOG_ERR, "pwm: Error in reading duty");
        return -1;
    }