From 21392fa9b1498f874aa688545b9e501a84c04812 Mon Sep 17 00:00:00 2001
From: Murai Takashi <tmurai01@gmail.com>
Date: Fri, 1 Feb 2019 20:29:58 +0900
Subject: [PATCH] mail: Fix PVS 965

Fix memory leak when realloc() fails.

Change-Id: I8f7fb3ce7f43de03f76e8f0ee14277d79a55ee63
Reviewed-on: https://review.haiku-os.org/c/1005
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
---
 src/apps/mail/WIndex.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/apps/mail/WIndex.cpp b/src/apps/mail/WIndex.cpp
index 9a39c52c16..76b38da4ba 100644
--- a/src/apps/mail/WIndex.cpp
+++ b/src/apps/mail/WIndex.cpp
@@ -268,9 +268,14 @@ WIndex::_BlockCheck(void)
 	if (fEntries < fMaxEntries)
 		return B_OK;
 	fBlocks = fEntries / fEntriesPerBlock + 1;
-	fEntryList = (uint8 *)realloc(fEntryList, fBlockSize * fBlocks);
-	if (!fEntryList)
+	uint8* tmpEntryList = (uint8 *)realloc(fEntryList, fBlockSize * fBlocks);
+	if (!tmpEntryList) {
+		free(fEntryList);
+		fEntryList = NULL;
 		return B_ERROR;
+	} else {
+		fEntryList = tmpEntryList;
+	}
 	return B_OK;
 }