Bug#546325: Printing errno after ioctl failure

[sobtwmxt]

  Running i8kctl with the following patch yeilds:

    $ i8kctl
    ioctl failed: Invalid argument
    ioctl failed: Invalid argument
    ioctl failed: Invalid argument
    1.0 (null) 6WNHA 44 2 2 -1 -1 0 0


The patch is:

--- i8kutils-1.32/i8kctl.c      2009-08-22 14:27:09.000000000 +0300
+++ i8kutils-1.32/i8kctl.c.mod        2009-09-17 16:44:09.000000000 +0100
@@ -37,6 +37,7 @@
     int rc;

     if ((rc=ioctl(i8k_fd, I8K_BIOS_VERSION, &args)) < 0) {
+       perror("ioctl failed");
        return NULL;
     }

@@ -55,6 +56,7 @@
     int rc;

     if ((rc=ioctl(i8k_fd, I8K_MACHINE_ID, &args)) < 0) {
+       perror("ioctl failed");
        return NULL;
     }

@@ -70,6 +72,7 @@
     args[0] = fan;
     args[1] = speed;
     if ((rc=ioctl(i8k_fd, I8K_SET_FAN, &args)) < 0) {
+       perror("ioctl failed");
        return rc;
     }

@@ -84,6 +87,7 @@
     args[0] = fan;
     if ((rc=ioctl(i8k_fd, I8K_GET_FAN, &args)) < 0) {
+       perror("ioctl failed");
        return rc;
     }

@@ -98,6 +102,7 @@

     args[0] = fan;
     if ((rc=ioctl(i8k_fd, I8K_GET_SPEED, &args)) < 0) {
+       perror("ioctl failed");
        return rc;
     }

@@ -111,6 +116,7 @@
     int rc;

     if ((rc=ioctl(i8k_fd, I8K_GET_TEMP, &args)) < 0) {
+       perror("ioctl failed");
        return rc;
     }

@@ -124,6 +130,7 @@
     int rc;

     if ((rc=ioctl(i8k_fd, I8K_POWER_STATUS, &args)) < 0) {
+       perror("ioctl failed");
        return rc;
     }

@@ -137,6 +144,7 @@
     int rc;

     if ((rc=ioctl(i8k_fd, I8K_FN_STATUS, &args)) < 0) {
+       perror("ioctl failed");
        return rc;
     }


-- 
sobtw...@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org



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