laforge has submitted this change. ( 
https://gerrit.osmocom.org/c/libosmocore/+/34256 )

Change subject: osmo_io: Change parent of msghdr to iofd (instead of msg)
......................................................................

osmo_io: Change parent of msghdr to iofd (instead of msg)

msg was made a parent of msghdr after discussion in change
I3a279b55a3adff96948120683c844e1508d0ba94

It turns out this violates some assumptions made in osmo_io,
specifically that the user read callback shall free msg, but we expect
msghdr to remain valid until after that callback returns.

In general I think it is cleaner to make iofd a parent of msghdr.

Change-Id: I41277190e3020cd8fa625bd57a743973e2a65c4b
---
M src/core/osmo_io.c
1 file changed, 19 insertions(+), 1 deletion(-)

Approvals:
  laforge: Looks good to me, approved
  pespin: Looks good to me, but someone else must approve
  Jenkins Builder: Verified




diff --git a/src/core/osmo_io.c b/src/core/osmo_io.c
index e176099..c67787b 100644
--- a/src/core/osmo_io.c
+++ b/src/core/osmo_io.c
@@ -120,7 +120,7 @@
                talloc_steal(iofd, msg);
        }

-       hdr = talloc_zero(msg, struct iofd_msghdr);
+       hdr = talloc_zero(iofd, struct iofd_msghdr);
        if (!hdr) {
                if (free_msg)
                        talloc_free(msg);

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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I41277190e3020cd8fa625bd57a743973e2a65c4b
Gerrit-Change-Number: 34256
Gerrit-PatchSet: 2
Gerrit-Owner: daniel <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged

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