From edd33cfbb6fa6661aa3063bea62a386828292a77 Mon Sep 17 00:00:00 2001
From: Pedro Gonnet <gonnet@google.com>
Date: Wed, 20 Dec 2017 21:36:35 +0100
Subject: [PATCH] unmap all the bytes.
---
src/dump.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/dump.c b/src/dump.c
index de5c5afb18..ba50b517a7 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -61,13 +61,13 @@ void dump_ensure(struct dump *d, size_t size) {
if (d->size - d->count > size) return;
/* Unmap the current data. */
- size_t trunc_count = d->count & d->page_mask;
- if (munmap(d->data, trunc_count > 0 ? trunc_count : 1) != 0) {
- error("Failed to unmap %zi bytes of dump data (%s).", trunc_count,
+ if (munmap(d->data, d->size) != 0) {
+ error("Failed to unmap %zi bytes of dump data (%s).", d->size,
strerror(errno));
}
/* Update the size and count. */
+ const size_t trunc_count = d->count & d->page_mask;
d->file_offset += trunc_count;
d->count -= trunc_count;
d->size = (size * dump_grow_ensure_factor + ~d->page_mask) & d->page_mask;
--
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