From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] Fix qemu_malloc.
Date: Mon, 26 Jan 2009 11:43:27 +0100 [thread overview]
Message-ID: <497D93CF.6030705@redhat.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 43 bytes --]
bug spotted by malc.
please apply,
Gerd
[-- Attachment #2: 0004-Fix-qemu_malloc.patch --]
[-- Type: text/plain, Size: 826 bytes --]
>From 42105a6e8e4969c8f8b683d541a38c4de0e4631f Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 26 Jan 2009 11:40:03 +0100
Subject: [PATCH] Fix qemu_malloc.
make linux-user qemu_realloc handle ptr == NULL correctly.
spotted by malc.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
linux-user/mmap.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index d0fc3e3..888b491 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -128,6 +128,8 @@ void *qemu_realloc(void *ptr, size_t size)
size_t old_size, copy;
void *new_ptr;
+ if (!ptr)
+ return qemu_malloc(size);
old_size = *(size_t *)((char *)ptr - 16);
copy = old_size < size ? old_size : size;
new_ptr = qemu_malloc(size);
--
1.6.1
reply other threads:[~2009-01-26 18:54 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=497D93CF.6030705@redhat.com \
--to=kraxel@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).