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Re: [Qemu-devel] [PATCH] usb: Use g_new() & friends where that makes obv
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH] usb: Use g_new() & friends where that makes obvious sense |
Date: |
Mon, 14 Sep 2015 09:30:58 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 09/14/2015 05:03 AM, Markus Armbruster wrote:
> g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer,
> for two reasons. One, it catches multiplication overflowing size_t.
> Two, it returns T * rather than void *, which lets the compiler catch
> more type errors.
>
> This commit only touches allocations with size arguments of the form
> sizeof(T). Same Coccinelle semantic patch as in commit b45c03f.
>
> Signed-off-by: Markus Armbruster <address@hidden>
> ---
> hw/usb/ccid-card-emulated.c | 4 ++--
> hw/usb/dev-mtp.c | 3 +--
> hw/usb/hcd-xhci.c | 2 +-
> hw/usb/redirect.c | 6 +++---
> 4 files changed, 7 insertions(+), 8 deletions(-)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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