abis_nm: fix -Wunused-but-set-variable (bug)
clang warns us about 'len' being set, but not used: And this is abis_nm.c:2172:10: warning: variable 'len' set but not used [-Wunused-but-set-variable] uint8_t len = attr_len; ^ This is actually a bug, because in the case of NACK we append 2 more bytes {NM_ATT_NACK_CAUSES, NM_NACK_OBJCLASS_NOTSUPP}, and we need to pass the final length to fill_om_fom_hdr(), including those optional two bytes. Passing 'attr_len' (length of 'attr') is wrong. Change-Id: I3ca8e761fdf99dd498a979ccc9d53c6c3e03e2cc
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@ -2183,7 +2183,7 @@ int abis_nm_sw_act_req_ack(struct gsm_bts *bts, uint8_t obj_class, uint8_t i1,
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}
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oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
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fill_om_fom_hdr(oh, attr_len, msgtype, obj_class, i1, i2, i3);
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fill_om_fom_hdr(oh, len, msgtype, obj_class, i1, i2, i3);
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if (attr != NULL && attr_len > 0)
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memcpy(msgb_put(msg, attr_len), attr, attr_len);
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