Fix mutex lock in read_event

[collectd.git] / src / zfs_arc.c

diff --git a/src/zfs_arc.c b/src/zfs_arc.c
index d18a93f..be93b9d 100644 (file)
--- a/src/zfs_arc.c
+++ b/src/zfs_arc.c
@@ -127,7 +127,7 @@ static long long get_zfs_value(kstat_t *dummy __attribute__((unused)),
   size_t valuelen = sizeof(value);
   int rv;
 
-  snprintf(buffer, sizeof(buffer), "%s%s", zfs_arcstat, name);
+  ssnprintf(buffer, sizeof(buffer), "%s%s", zfs_arcstat, name);
   rv = sysctlbyname(buffer, (void *)&value, &valuelen,
                     /* new value = */ NULL, /* new length = */ (size_t)0);
   if (rv == 0)
@@ -231,23 +231,6 @@ static int za_read(void) {
     return -1;
   }
 
-  // Ignore the first two lines because they contain information about
-  // the rest of the file.
-  // See kstat_seq_show_headers module/spl/spl-kstat.c of the spl kernel
-  // module.
-  if (fgets(buffer, sizeof(buffer), fh) == NULL) {
-    ERROR("zfs_arc plugin: \"%s\" does not contain a single line.",
-          ZOL_ARCSTATS_FILE);
-    fclose(fh);
-    return (-1);
-  }
-  if (fgets(buffer, sizeof(buffer), fh) == NULL) {
-    ERROR("zfs_arc plugin: \"%s\" does not contain at least two lines.",
-          ZOL_ARCSTATS_FILE);
-    fclose(fh);
-    return (-1);
-  }
-
   while (fgets(buffer, sizeof(buffer), fh) != NULL) {
     char *fields[3];
     value_t v;