block/gluster.c: Handle qdict_array_entries() failure
In qemu_gluster_parse_json(), the call to qdict_array_entries() could return a negative error code, which we were ignoring because we assigned the result to an unsigned variable. Fix this by using the 'int' type instead, which matches the return type of qdict_array_entries() and also the type we use for the loop enumeration variable 'i'. (Spotted by Coverity, CID 1360960.) Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NJeff Cody <jcody@redhat.com> Message-id: 1496682098-1540-1-git-send-email-peter.maydell@linaro.org Signed-off-by: NJeff Cody <jcody@redhat.com>
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