Sent from my iPhone On Sep 23, 2012, at 7:06 PM, Kevin Lo <ke...@freebsd.org> wrote:
> On 2012/09/24 03:27, Garrett Cooper wrote: >> On Sun, Sep 23, 2012 at 3:52 AM, Konstantin Belousov >> <kostik...@gmail.com> wrote: >>> On Sun, Sep 23, 2012 at 08:38:06AM +0000, Kevin Lo wrote: >>>> Author: kevlo >>>> Date: Sun Sep 23 08:38:06 2012 >>>> New Revision: 240850 >>>> URL: http://svn.freebsd.org/changeset/base/240850 >>>> >>>> Log: >>>> Avoid NULL dereference >>>> >>>> Modified: >>>> head/lib/libstand/nfs.c >> ... >> >>> I do not see how this change is useful. libstand' Free() function handles >>> NULL parameter fine, as well as all other free(3) implementations I am >>> aware of. >> +1. free(3) should silently ignore NULL parameters passed into it. > > Well, The patch is harmless. I suppose I could argue it is a safety belt > against free(NULL) should be silently ignored. > I have no problem changing it back, but there are two other places where > the same comment could apply. > > Index: lib/libstand/nfs.c > =================================================================== > --- lib/libstand/nfs.c (revision 240879) > +++ lib/libstand/nfs.c (working copy) > @@ -606,10 +606,8 @@ nfs_open(const char *upath, struct open_file *f) > error = 0; > > out: > - if (newfd) > - free(newfd); > - if (path) > - free(path); > + free(newfd); > + free(path); > #else > currfd->iodesc = desc; > > @@ -1256,10 +1254,8 @@ nfs_open(const char *upath, struct open_file *f) > error = 0; > > out: > - if (newfd) > - free(newfd); > - if (path) > - free(path); > + free(newfd); > + free(path); > #else > currfd->iodesc = desc; Yeah -- that would be good. Thanks, -Garrett _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
