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rest_api: strtoul canot return negative

>>> CID 307538: Control flow issues (NO_EFFECT)
>>> This less-than-zero comparison of an unsigned value is never true. "map_id < 0UL".

Closes: CID#307538
Change-Id: Ic5019e216dd7b26be0bd988df218a2cb5775e411
---
M src/server/rest_api.c
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-remsim refs/changes/79/31179/1
diff --git a/src/server/rest_api.c b/src/server/rest_api.c
index d3279c4..93ceb78 100644
--- a/src/server/rest_api.c
+++ b/src/server/rest_api.c
@@ -410,7 +410,7 @@
goto err;
}
map_id = strtoul(slotmap_id_str, NULL, 10);
- if (map_id < 0) {
+ if (map_id == ULONG_MAX) {
status = 400;
goto err;
}

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Gerrit-Project: osmo-remsim
Gerrit-Branch: master
Gerrit-Change-Id: Ic5019e216dd7b26be0bd988df218a2cb5775e411
Gerrit-Change-Number: 31179
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge@osmocom.org>
Gerrit-MessageType: newchange