From: "Michael S. Tsirkin" <mst@redhat.com>
To: zhanghailiang <zhang.zhanghailiang@huawei.com>
Cc: kwolf@redhat.com, lkurusa@redhat.com, qemu-trivial@nongnu.org,
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, alex.bennee@linaro.org,
rth@twiddle.net
Subject: Re: [Qemu-trivial] [PATCH v6 05/10] util/path: Use the GLib memory allocation routines
Date: Thu, 14 Aug 2014 12:15:57 +0200 [thread overview]
Message-ID: <20140814101557.GB31346@redhat.com> (raw)
In-Reply-To: <1408001361-13580-6-git-send-email-zhang.zhanghailiang@huawei.com>
On Thu, Aug 14, 2014 at 03:29:16PM +0800, zhanghailiang wrote:
> In this file, we don't check the return value of malloc/strdup/realloc which may fail.
> Instead of using these routines, 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;
Would not we have to free name using g_free as well?
> @@ -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];
> --
> 1.7.12.4
>
next prev parent reply other threads:[~2014-08-14 10:16 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-14 7:29 [Qemu-trivial] [PATCH v6 00/10] fix three bugs about use-after-free and several api abuse zhanghailiang
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 01/10] l2cap: fix access freed memory zhanghailiang
2014-08-14 10:19 ` Michael S. Tsirkin
2014-08-15 14:58 ` Michael Tokarev
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 02/10] monitor: " zhanghailiang
2014-08-14 10:30 ` Michael S. Tsirkin
2014-08-15 18:25 ` Luiz Capitulino
2014-08-17 9:45 ` Michael S. Tsirkin
2014-08-17 10:55 ` Michael S. Tsirkin
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 03/10] virtio-blk: fix reference a pointer which might be freed zhanghailiang
2014-08-14 10:37 ` Michael S. Tsirkin
2014-08-14 10:39 ` Michael Tokarev
2014-08-14 11:16 ` Michael S. Tsirkin
2014-08-18 11:49 ` Michael Tokarev
2014-08-18 20:17 ` Michael S. Tsirkin
2014-08-19 7:19 ` Michael Tokarev
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 04/10] ivshmem: check the value returned by fstat() zhanghailiang
2014-08-14 10:12 ` Michael S. Tsirkin
2014-08-15 14:59 ` Michael Tokarev
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 05/10] util/path: Use the GLib memory allocation routines zhanghailiang
2014-08-14 10:15 ` Michael S. Tsirkin [this message]
2014-08-18 5:59 ` zhanghailiang
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 06/10] slirp/misc: Use g_malloc() instead of malloc() zhanghailiang
2014-08-14 10:31 ` Michael S. Tsirkin
2014-08-18 0:29 ` zhanghailiang
2014-08-18 5:56 ` zhanghailiang
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 07/10] linux-user: check return value " zhanghailiang
2014-08-14 13:31 ` [Qemu-trivial] [Qemu-devel] " Riku Voipio
2014-08-14 18:04 ` Michael Tokarev
2014-08-18 20:17 ` Michael S. Tsirkin
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 08/10] tests/bios-tables-test: check the value returned by fopen() zhanghailiang
2014-08-14 10:32 ` Michael S. Tsirkin
2014-08-18 0:32 ` zhanghailiang
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 09/10] tcg: check return value of fopen() zhanghailiang
2014-08-14 10:33 ` Michael S. Tsirkin
2014-08-15 15:03 ` Michael Tokarev
2014-08-15 16:53 ` Richard Henderson
2014-08-18 6:21 ` zhanghailiang
2014-08-14 7:29 ` [Qemu-trivial] [PATCH v6 10/10] block/vvfat: fix setbuf stream parameter may be NULL zhanghailiang
2014-08-14 10:36 ` Michael S. Tsirkin
2014-08-18 0:55 ` zhanghailiang
2014-08-14 10:17 ` [Qemu-trivial] [PATCH v6 00/10] fix three bugs about use-after-free and several api abuse Michael S. Tsirkin
2014-08-14 10:38 ` Michael S. Tsirkin
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