Coverity reports CHECKED_RETURN defects in keymgr

New defect(s) Reported-by: Coverity Scan
Showing 2 of 2 defect(s)


** CID 304937:    (CHECKED_RETURN)
/lib/dns/keymgr.c: 2004 in dns_keymgr_status()
/lib/dns/keymgr.c: 2005 in dns_keymgr_status()


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*** CID 304937:    (CHECKED_RETURN)
/lib/dns/keymgr.c: 2004 in dns_keymgr_status()
1998     
1999     		if (dst_key_is_unused(dkey->key)) {
2000     			continue;
2001     		}
2002     
2003     		// key data
>>>     CID 304937:    (CHECKED_RETURN)
>>>     Calling "dst_key_getbool" without checking return value (as is done elsewhere 25 out of 29 times).
2004     		dst_key_getbool(dkey->key, DST_BOOL_KSK, &ksk);
2005     		dst_key_getbool(dkey->key, DST_BOOL_ZSK, &zsk);
2006     		dns_secalg_format((dns_secalg_t)dst_key_alg(dkey->key), algstr,
2007     				  sizeof(algstr));
2008     		isc_buffer_printf(&buf, "\nkey: %d (%s), %s\n",
2009     				  dst_key_id(dkey->key), algstr,
/lib/dns/keymgr.c: 2005 in dns_keymgr_status()
1999     		if (dst_key_is_unused(dkey->key)) {
2000     			continue;
2001     		}
2002     
2003     		// key data
2004     		dst_key_getbool(dkey->key, DST_BOOL_KSK, &ksk);
>>>     CID 304937:    (CHECKED_RETURN)
>>>     Calling "dst_key_getbool" without checking return value (as is done elsewhere 25 out of 29 times).
2005     		dst_key_getbool(dkey->key, DST_BOOL_ZSK, &zsk);
2006     		dns_secalg_format((dns_secalg_t)dst_key_alg(dkey->key), algstr,
2007     				  sizeof(algstr));
2008     		isc_buffer_printf(&buf, "\nkey: %d (%s), %s\n",
2009     				  dst_key_id(dkey->key), algstr,
2010     				  keymgr_keyrole(dkey->key));