From: Carsten Haitzler (Rasterman) <raster@rasterman.com>
Date: Fri, 28 Jul 2017 12:12:57 +0000 (+0900)
Subject: eina evlog debugging - when freeing debug buf with mmap 0 size after
X-Git-Tag: upstream/1.20.0~81
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b944fc7c9bb4016ed54d440759ae463aec8404ee;p=platform%2Fupstream%2Fefl.git

eina evlog debugging - when freeing debug buf with mmap 0 size after

munmap would not munmap the memory with  a size of 0... so zero the
size after the munmap.

found by PVS studio

@fix
---

diff --git a/src/lib/eina/eina_evlog.c b/src/lib/eina/eina_evlog.c
index dca1e22..90af610 100644
--- a/src/lib/eina/eina_evlog.c
+++ b/src/lib/eina/eina_evlog.c
@@ -111,14 +111,14 @@ static void
 free_buf(Eina_Evlog_Buf *b)
 {
    if (!b->buf) return;
-   b->size = 0;
-   b->top = 0;
 # ifdef HAVE_MMAP
    munmap(b->buf, b->size);
 # else
    free(b->buf);
 # endif
    b->buf = NULL;
+   b->size = 0;
+   b->top = 0;
 }
 
 static inline void *