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libvlr: fix sgsn tmsi creation, replace constant with define 

reported by _dev_zero in #osmocom

Change-Id: Ib5679ab5d06b6ef735725b4a68eeb1e9cbcc11ba
Depends-On: libosmocore I52b9f6b5f3e96d85a390ba2af21d7814df8aaeec
This commit is contained in:
Eric Wild 2019-06-14 16:11:08 +02:00 committed by Hoernchen
parent 01926fc240
commit 58abc67caa
1 changed files with 3 additions and 3 deletions
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6
src/libvlr/vlr.c
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@ -336,11 +336,11 @@ int vlr_subscr_alloc_tmsi(struct vlr_subscr *vsub)
/* Section 2.4 of 23.003: MSC has two MSB 00/01/10, SGSN 11 */ /* Section 2.4 of 23.003: MSC has two MSB 00/01/10, SGSN 11 */
if (vlr->cfg.is_ps) { if (vlr->cfg.is_ps) {
/* SGSN */ /* SGSN */
tmsi |= 0xC000000; tmsi |= GSM23003_TMSI_SGSN_MASK;
} else { } else {
/* MSC */ /* MSC */
if ((tmsi & 0xC0000000) == 0xC0000000) if ((tmsi & GSM23003_TMSI_SGSN_MASK) == GSM23003_TMSI_SGSN_MASK)
tmsi &= ~0xC0000000; tmsi &= ~GSM23003_TMSI_SGSN_MASK;
} }
/* If this TMSI is already in use, try another one. */ /* If this TMSI is already in use, try another one. */