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-rw-r--r--swap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/swap.c b/swap.c
index fef6cc3..1a270fe 100644
--- a/swap.c
+++ b/swap.c
@@ -50,7 +50,7 @@ int swap(int argc, char **argv) {
}
}
fclose(f);
- if(!in*out) {
+ if(!(in*out)) {
fputs("no usable data on /proc/vmstat\n", stderr);
return 1;
}