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Re: [PATCH v2 0/1] qemu-nbd: Close inherited stderr


From: Raphael Pour
Subject: Re: [PATCH v2 0/1] qemu-nbd: Close inherited stderr
Date: Fri, 15 May 2020 08:36:07 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 5/14/20 4:55 PM, Eric Blake wrote:
> On 5/14/20 9:29 AM, Eric Blake wrote:
> 
>>> WARNING: Block comments use a leading /* on a separate line
>>> #20: FILE: qemu-nbd.c:919:
>>> +            /* Remember parents stderr only if the fork option is set.
>>>
> 
>> The comment could use some grammar help (s/parents/parent's/), and in
>> truth, I don't think it adds much beyond what the code itself is
>> already doing, so rather than adding another line to silence patchew,
>> you could instead just eliminate the comment and life would still be
>> fine.  Or if you want a one-line comment, I might suggest:
>>
>> /* Remember parent's stderr if we will restoring it. */
> 
> It helps if I don't hit 'send' too early.
> 
> /* Remember parent's stderr if we will be restoring it. */
> 

From e5749541494abcdcaa37d752172741e1bc38e984 Mon Sep 17 00:00:00 2001
From: Raphael Pour <address@hidden>
Date: Fri, 15 May 2020 08:30:50 +0200
Subject: [PATCH] qemu-nbd: Close inherited stderr

Close inherited stderr of the parent if fork_process is false.
Otherwise no one will close it. (introduced by e6df58a5)

Signed-off-by: Raphael Pour <address@hidden>
---
 qemu-nbd.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/qemu-nbd.c b/qemu-nbd.c
index 4aa005004e..306e44fb0a 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -916,7 +916,11 @@ int main(int argc, char **argv)
         } else if (pid == 0) {
             close(stderr_fd[0]);

-            old_stderr = dup(STDERR_FILENO);
+            /* Remember parent's stderr if we will be restoring it. */
+            if (fork_process) {
+                old_stderr = dup(STDERR_FILENO);
+            }
+
             ret = qemu_daemon(1, 0);

             /* Temporarily redirect stderr to the parent's pipe...  */
-- 
2.25.4


I fixed the issues and checkpatch gave me a 'ready for submission'.
Is this the right way to submit a fixed patch or should it be a v3?


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