4 files changed, 20 insertions, 10 deletions
diff --git a/src/print_cpu_usage.c b/src/print_cpu_usage.c
index 68437b3..2c59f69 100644
--- a/src/print_cpu_usage.c
+++ b/src/print_cpu_usage.c
@@ -40,12 +40,12 @@ static int prev_idle = 0;
 void print_cpu_usage(yajl_gen json_gen, char *buffer, const char *format) {
     const char *walk;
     char *outwalk = buffer;
-    char buf[1024];
     int curr_user = 0, curr_nice = 0, curr_system = 0, curr_idle = 0, curr_total;
     int diff_idle, diff_total, diff_usage;
 
 #if defined(LINUX)
     static char statpath[512];
+    char buf[1024];
     strcpy(statpath, "/proc/stat");
     if (!slurp(statpath, buf, sizeof(buf)) ||
         sscanf(buf, "cpu %d %d %d %d", &curr_user, &curr_nice, &curr_system, &curr_idle) != 4)
diff --git a/src/print_disk_info.c b/src/print_disk_info.c
index b9047e5..69d7b8c 100644
--- a/src/print_disk_info.c
+++ b/src/print_disk_info.c
@@ -3,7 +3,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
-#include <mntent.h>
 #include <stdint.h>
 #include <sys/stat.h>
 #include <sys/statvfs.h>
@@ -11,6 +10,8 @@
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || (__OpenBSD__) || defined(__DragonFly__)
 #include <sys/param.h>
 #include <sys/mount.h>
+#else
+#include <mntent.h>
 #endif
 #include <yajl/yajl_gen.h>
 #include <yajl/yajl_version.h>
diff --git a/src/print_eth_info.c b/src/print_eth_info.c
index af5a757..06a1613 100644
--- a/src/print_eth_info.c
+++ b/src/print_eth_info.c
@@ -49,11 +49,13 @@ static int print_eth_speed(char *outwalk, const char *interface) {
     } else
         return sprintf(outwalk, "?");
 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
-    char *ethspeed;
+    const char *ethspeed;
     struct ifmediareq ifm;
     (void)memset(&ifm, 0, sizeof(ifm));
     (void)strncpy(ifm.ifm_name, interface, sizeof(ifm.ifm_name));
-    int ret = ioctl(general_socket, SIOCGIFMEDIA, (caddr_t)&ifm);
+    if (ioctl(general_socket, SIOCGIFMEDIA, (caddr_t)&ifm) < 0) {
+        return sprintf(outwalk, "?");
+    }
 
     /* Get the description of the media type, partially taken from
      * FreeBSD's ifconfig */
diff --git a/src/print_volume.c b/src/print_volume.c
index ef1c913..bc469f3 100644
--- a/src/print_volume.c
+++ b/src/print_volume.c
@@ -3,6 +3,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <err.h>
 #include <yajl/yajl_gen.h>
 #include <yajl/yajl_version.h>
 
@@ -139,16 +140,22 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
     else
         mixerpath = defaultmixer;
 
-    if ((mixfd = open(mixerpath, O_RDWR)) < 0)
-        return;
+    if ((mixfd = open(mixerpath, O_RDWR)) < 0) {
+        warn("OSS: Cannot open mixer");
+        goto out;
+    }
 
     if (mixer_idx > 0)
         free(mixerpath);
 
-    if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1)
-        return;
-    if (ioctl(mixfd, MIXER_READ(0), &vol) == -1)
-        return;
+    if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
+        warn("OSS: Cannot read mixer information");
+        goto out;
+    }
+    if (ioctl(mixfd, MIXER_READ(0), &vol) == -1) {
+        warn("OSS: Cannot read mixer information");
+        goto out;
+    }
 
     if (((vol & 0x7f) == 0) && (((vol >> 8) & 0x7f) == 0)) {
         START_COLOR("color_degraded");