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From: "Alex Bennée" <alex.bennee@linaro.org>
To: zhanghailiang <zhang.zhanghailiang@huawei.com>
Cc: kwolf@redhat.com, lkurusa@redhat.com, mst@redhat.com,
	jan.kiszka@siemens.com, riku.voipio@iki.fi, mjt@tls.msk.ru,
	qemu-devel@nongnu.org, lcapitulino@redhat.com,
	stefanha@redhat.com, luonengjun@huawei.com, pbonzini@redhat.com,
	peter.huangpeng@huawei.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v5 05/10] util/path: Use the GLib memory allocation routines
Date: Mon, 11 Aug 2014 10:32:45 +0100	[thread overview]
Message-ID: <87r40npe0s.fsf@linaro.org> (raw)
In-Reply-To: <1407747189-7936-6-git-send-email-zhang.zhanghailiang@huawei.com>


zhanghailiang writes:

> In this file, we don't check the return value of malloc/strdup/realloc which may fail.
> Instead of using these APIs, we use the GLib memory APIs g_malloc/g_strdup/g_realloc.
> They will exit on allocation failure, so there is no need to test for failure,
> which would be fine for setup.
>
> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  util/path.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/util/path.c b/util/path.c
> index 5c59d9f..e152f2a 100644
> --- a/util/path.c
> +++ b/util/path.c
> @@ -45,8 +45,8 @@ static struct pathelem *new_entry(const char *root,
>                                    struct pathelem *parent,
>                                    const char *name)
>  {
> -    struct pathelem *new = malloc(sizeof(*new));
> -    new->name = strdup(name);
> +    struct pathelem *new = g_malloc(sizeof(*new));
> +    new->name = g_strdup(name);
>      new->pathname = g_strdup_printf("%s/%s", root, name);
>      new->num_entries = 0;
>      return new;
> @@ -88,7 +88,7 @@ static struct pathelem *add_entry(struct pathelem *root, const char *name,
>  
>      root->num_entries++;
>  
> -    root = realloc(root, sizeof(*root)
> +    root = g_realloc(root, sizeof(*root)
>                     + sizeof(root->entries[0])*root->num_entries);
>      e = &root->entries[root->num_entries-1];

-- 
Alex Bennée

  reply	other threads:[~2014-08-11  9:32 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-11  8:52 [Qemu-devel] [PATCH v5 00/10] fix three bugs about use-after-free and several api abuse zhanghailiang
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 01/10] l2cap: fix access freed memory zhanghailiang
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 02/10] monitor: " zhanghailiang
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 03/10] virtio-blk: fix reference a pointer which might be freed zhanghailiang
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 04/10] ivshmem: check the value returned by fstat() zhanghailiang
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 05/10] util/path: Use the GLib memory allocation routines zhanghailiang
2014-08-11  9:32   ` Alex Bennée [this message]
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 06/10] slirp/misc: Use g_malloc() instead of malloc() zhanghailiang
2014-08-11  9:33   ` Alex Bennée
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 07/10] linux-user: check return value " zhanghailiang
2014-08-12  7:34   ` Riku Voipio
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 08/10] tests/bios-tables-test: check the value returned by fopen() zhanghailiang
2014-08-11  9:33   ` Alex Bennée
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 09/10] tcg: check return value of fopen() zhanghailiang
2014-08-11  9:34   ` Alex Bennée
2014-08-11  8:53 ` [Qemu-devel] [PATCH v5 10/10] block/vvfat: fix setbuf stream parameter may be NULL zhanghailiang
2014-09-08  8:37   ` Stefan Hajnoczi
2014-09-08 10:57     ` Michael Tokarev

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