Change in ...libosmocore[master]: msgb: Allow size==headroom in msgb_alloc_headroom*()

[pespin]

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmocore/+/15607


Change subject: msgb: Allow size==headroom in msgb_alloc_headroom*()
......................................................................

msgb: Allow size==headroom in msgb_alloc_headroom*()

Nothinh really forbids this case, it's totally fine allocating all space
of msgb as headroom. osmo-pcu actually does that in
gprs_rlcmac_ul_tbf::snd_ul_ud().

Related: OS#4029
Change-Id: Ibe05d08e3169a2603e891f76682a3b352a93ec7a
---
M include/osmocom/core/msgb.h
1 file changed, 2 insertions(+), 2 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/07/15607/1

diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h
index e05d37f..1833a6c 100644
--- a/include/osmocom/core/msgb.h
+++ b/include/osmocom/core/msgb.h
@@ -518,7 +518,7 @@
 static inline struct msgb *msgb_alloc_headroom_c(const void *ctx, int size, int headroom,
 						 const char *name)
 {
-	osmo_static_assert(size > headroom, headroom_bigger);
+	osmo_static_assert(size >= headroom, headroom_bigger);
 
 	struct msgb *msg = msgb_alloc_c(ctx, size, name);
 	if (msg)
@@ -540,7 +540,7 @@
 static inline struct msgb *msgb_alloc_headroom(int size, int headroom,
 						const char *name)
 {
-	osmo_static_assert(size > headroom, headroom_bigger);
+	osmo_static_assert(size >= headroom, headroom_bigger);
 
 	struct msgb *msg = msgb_alloc(size, name);
 	if (msg)

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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: Ibe05d08e3169a2603e891f76682a3b352a93ec7a
Gerrit-Change-Number: 15607
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
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