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Re: [Qemu-devel] [PATCH 2/2] usb: trivial cleanup for usb_mtp_add_str
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] usb: trivial cleanup for usb_mtp_add_str |
Date: |
Thu, 10 Mar 2016 07:51:23 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Fam Zheng <address@hidden> writes:
> On Wed, 03/09 14:10, Peter Xu wrote:
>> Remove useless var "ret".
>>
>> Signed-off-by: Peter Xu <address@hidden>
>> ---
>> hw/usb/dev-mtp.c | 4 +---
>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
>> index cf63fd0..38cc4fc 100644
>> --- a/hw/usb/dev-mtp.c
>> +++ b/hw/usb/dev-mtp.c
>> @@ -719,10 +719,8 @@ static void usb_mtp_add_str(MTPData *data, const char
>> *str)
>> {
>> uint32_t len = strlen(str)+1;
>> wchar_t *wstr = g_malloc(sizeof(wchar_t) * len);
>> - size_t ret;
>>
>> - ret = mbstowcs(wstr, str, len);
>> - if (ret == -1) {
>> + if (mbstowcs(wstr, str, len) == -1) {
>> usb_mtp_add_wstr(data, L"Oops");
>> } else {
>> usb_mtp_add_wstr(data, wstr);
>> --
>> 2.4.3
>>
>>
>
> The old way has no problem, no need to clean up, IMO.
It's a very small readability improvement, but it's an improvement. If
I was the maintainer, I'd take it.