[Buildroot] [Bug 4375] New: prevent unused-but-set warning on "ret" in makedevs.c

bugzilla at busybox.net bugzilla at busybox.net
Sat Oct 22 04:04:08 UTC 2011


           Summary: prevent unused-but-set warning on "ret" in makedevs.c
           Product: buildroot
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
        AssignedTo: unassigned at buildroot.uclibc.org
        ReportedBy: d_mo1234 at yahoo.com
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0

Created attachment 3673
  --> https://bugs.busybox.net/attachment.cgi?id=3673
patch file

The makedevs program assigns "ret", but never reads from it.  (It always
returns 0.)  While using gcc 4.6.0 for an OMAP target, I got an unused-but-set
warning on "ret", which coupled with a -Werror that was set somewhere, bringing
the buildroot compile to a halt.  So I have attached a patch that tests "ret",
and prints out a warning if there were any failures.

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