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Re: [Qemu-devel] [PATCH v2 0/4] 9pfs: local: fix metadata of mapped-file


From: Fam Zheng
Subject: Re: [Qemu-devel] [PATCH v2 0/4] 9pfs: local: fix metadata of mapped-file security mode
Date: Wed, 24 May 2017 06:27:46 +0800
User-agent: Mutt/1.8.0 (2017-02-23)

On Tue, 05/23 17:04, Greg Kurz wrote:
> >   CC      hw/9pfs/9p-xattr-user.o
> > In file included from 
> > /var/tmp/patchew-tester-tmp-5niyvzwz/src/hw/9pfs/9p-local.c:18:0:
> > /var/tmp/patchew-tester-tmp-5niyvzwz/src/hw/9pfs/9p-local.c: In function 
> > ‘local_set_mapped_file_attrat’:
> > /var/tmp/patchew-tester-tmp-5niyvzwz/src/hw/9pfs/9p-util.h:19:5: error: 
> > ‘map_dirfd’ may be used uninitialized in this function 
> > [-Werror=maybe-uninitialized]
> >      close(fd);
> >      ^~~~~~~~~
> > /var/tmp/patchew-tester-tmp-5niyvzwz/src/hw/9pfs/9p-local.c:235:9: note: 
> > ‘map_dirfd’ was declared here
> >      int map_dirfd, map_fd;
> >          ^~~~~~~~~
> > cc1: all warnings being treated as errors
> 
> This is a false positive AFAICT... what compiler is this ?

It's gcc, as in the snipped package list above.

Fam



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