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-rw-r--r--plugins/check_swap.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/plugins/check_swap.c b/plugins/check_swap.c
index 8f5ebf8..c152eee 100644
--- a/plugins/check_swap.c
+++ b/plugins/check_swap.c
@@ -310,7 +310,13 @@ main (int argc, char **argv)
310# endif /* HAVE_SWAP */ 310# endif /* HAVE_SWAP */
311#endif /* HAVE_PROC_MEMINFO */ 311#endif /* HAVE_PROC_MEMINFO */
312 312
313 percent_used = 100 * ((double) used_swap) / ((double) total_swap); 313 /* if total_swap == 0, let's not divide by 0 */
314 if(total_swap) {
315 percent_used = 100 * ((double) used_swap) / ((double) total_swap);
316 } else {
317 percent_used = 0;
318 }
319
314 result = max_state (result, check_swap (percent_used, free_swap)); 320 result = max_state (result, check_swap (percent_used, free_swap));
315 printf (_("SWAP %s - %d%% free (%.0f MB out of %.0f MB) %s|"), 321 printf (_("SWAP %s - %d%% free (%.0f MB out of %.0f MB) %s|"),
316 state_text (result), 322 state_text (result),