[Bugs] [Bug 1310755] New: glusterd: coverity warning in glusterd-snapshot-utils.c copy_nfs_ganesha_file()

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1310755

            Bug ID: 1310755
           Summary: glusterd: coverity warning in
                    glusterd-snapshot-utils.c copy_nfs_ganesha_file()
           Product: GlusterFS
           Version: mainline
         Component: glusterd
          Assignee: bugs at gluster.org
          Reporter: kkeithle at redhat.com
                CC: bugs at gluster.org



Description of problem:

coverity warning

Version-Release number of selected component (if applicable):

mainline, 3.7.x

How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:



> ** CID 1351702:  Code maintainability issues  (UNUSED_VALUE)
> /data/workspace/gluster/glusterfs/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c: 3695 in glusterd_copy_nfs_ganesha_file()
>
>
> ________________________________________________________________________________________________________
> *** CID 1351702:  Code maintainability issues  (UNUSED_VALUE)
> /data/workspace/gluster/glusterfs/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c: 3695 in glusterd_copy_nfs_ganesha_file()
> 3689     
> 3690             GF_VALIDATE_OR_GOTO (this->name, src_vol, out);
> 3691             GF_VALIDATE_OR_GOTO (this->name, dest_vol, out);
> 3692     
> 3693             if (src_vol->is_snap_volume) {
> 3694                     GLUSTERD_GET_SNAP_DIR (snap_dir, src_vol->snapshot, priv);
>>>>     CID 1351702:  Code maintainability issues  (UNUSED_VALUE)
>>>>     Assigning value from "snprintf(src_path, 4096UL, "%s/export.%s.conf", snap_dir, src_vol->snapshot->snapname)" to "ret" here, but that stored value is overwritten before it can be used.
> 3695                     ret = snprintf (src_path, sizeof (src_path),
> 3696                                     "%s/export.%s.conf", snap_dir,
> 3697                                     src_vol->snapshot->snapname);
> 3698             } else {
> 3699                     ret = snprintf (src_path, sizeof (src_path),
> 3700                                     "%s/export.%s.conf", GANESHA_EXPORT_DIRECTORY,

...

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