dexter has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmo-abis/+/32402 )
Change subject: e1d: fix logic to detect if a timeslot is in use
......................................................................
e1d: fix logic to detect if a timeslot is in use
When we check bfd->fd, we also treat 0 as "not in use". This is not
correct since 0 is a valid file descriptor (STDIN). Since we reliably
initialize the file descriptor numbers to -1 on startup we can fix this.
So let's treat all positive file descriptor numbers, including zero as
an open timeslot.
Change-Id: I67bc5ca25620ff96441391798f761144570c8306
---
M src/input/e1d.c
1 file changed, 22 insertions(+), 7 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmo-abis refs/changes/02/32402/1
diff --git a/src/input/e1d.c b/src/input/e1d.c
index 216575e..7b70dfe 100644
--- a/src/input/e1d.c
+++ b/src/input/e1d.c
@@ -427,17 +427,17 @@
lapd_instance_free(e1i_ts->lapd);
e1i_ts->lapd = NULL;
}
- if (bfd->fd) {
+ if (bfd->fd >= 0) {
close(bfd->fd);
bfd->fd = -1;
}
continue;
case E1INP_TS_TYPE_SIGN:
- if (bfd->fd > 0 && ts_info[ts].cfg.mode !=
E1DP_TSMODE_HDLCFCS) {
+ if (bfd->fd >= 0 && ts_info[ts].cfg.mode !=
E1DP_TSMODE_HDLCFCS) {
close(bfd->fd);
bfd->fd = -1;
}
- if (bfd->fd <= 0) {
+ if (bfd->fd < 0) {
bfd->fd = osmo_e1dp_client_ts_open(g_e1d,
e1d_intf, e1d_line, ts,
E1DP_TSMODE_HDLCFCS, D_BCHAN_TX_GRAN);
}
@@ -463,11 +463,11 @@
e1i_ts->lapd = NULL;
}
/* close, if old timeslot mode doesn't match new config
*/
- if (bfd->fd > 0 && ts_info[ts].cfg.mode !=
E1DP_TSMODE_HDLCFCS) {
+ if (bfd->fd >= 0 && ts_info[ts].cfg.mode !=
E1DP_TSMODE_HDLCFCS) {
close(bfd->fd);
bfd->fd = -1;
}
- if (bfd->fd <= 0) {
+ if (bfd->fd < 0) {
bfd->fd = osmo_e1dp_client_ts_open(g_e1d,
e1d_intf, e1d_line, ts,
E1DP_TSMODE_HDLCFCS, D_BCHAN_TX_GRAN);
}
@@ -487,11 +487,11 @@
e1i_ts->lapd = NULL;
}
/* close, if old timeslot mode doesn't match new config
*/
- if (bfd->fd > 0 && ts_info[ts].cfg.mode !=
E1DP_TSMODE_RAW) {
+ if (bfd->fd >= 0 && ts_info[ts].cfg.mode !=
E1DP_TSMODE_RAW) {
close(bfd->fd);
bfd->fd = -1;
}
- if (bfd->fd <= 0) {
+ if (bfd->fd < 0) {
bfd->fd = osmo_e1dp_client_ts_open(g_e1d,
e1d_intf, e1d_line, ts,
E1DP_TSMODE_RAW, D_BCHAN_TX_GRAN);
}
--
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Gerrit-Project: libosmo-abis
Gerrit-Branch: master
Gerrit-Change-Id: I67bc5ca25620ff96441391798f761144570c8306
Gerrit-Change-Number: 32402
Gerrit-PatchSet: 1
Gerrit-Owner: dexter <[email protected]>
Gerrit-MessageType: newchange
