diff options
| author | Jeremy Allison <jra@samba.org> | 2016-09-19 11:47:22 -0700 |
|---|---|---|
| committer | Karolin Seeger <kseeger@samba.org> | 2016-09-21 11:55:16 +0200 |
| commit | 7f0a86bbbb296da90dcb40dee16b4a68efa7b276 (patch) | |
| tree | 19944b56e9b88018448916649c48da9b90e649a6 /lib | |
| parent | 6411b3dfbad88dc5f3c068c7a02a8332bdf4d29c (diff) | |
| download | samba-7f0a86bbbb296da90dcb40dee16b4a68efa7b276.tar.gz | |
lib: poll_funcs : poll_funcs_context_slot_find can select the wrong slot to replace.
Look for an exact match first, before a free slot.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12272
Back-port from 085542fc93b3c603e8cda6e481e94d5fe2dfc669
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/poll_funcs/poll_funcs_tevent.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/poll_funcs/poll_funcs_tevent.c b/lib/poll_funcs/poll_funcs_tevent.c index 6052077ff3f..65adb2da8c2 100644 --- a/lib/poll_funcs/poll_funcs_tevent.c +++ b/lib/poll_funcs/poll_funcs_tevent.c @@ -318,15 +318,27 @@ static bool poll_funcs_context_slot_find(struct poll_funcs_state *state, struct poll_funcs_tevent_context **contexts; unsigned i; + /* Look for an existing match first. */ for (i=0; i<state->num_contexts; i++) { struct poll_funcs_tevent_context *ctx = state->contexts[i]; - if ((ctx == NULL) || (ctx->ev == ev)) { + if (ctx != NULL && ctx->ev == ev) { *slot = i; return true; } } + /* Now look for a free slot. */ + for (i=0; i<state->num_contexts; i++) { + struct poll_funcs_tevent_context *ctx = state->contexts[i]; + + if (ctx == NULL) { + *slot = i; + return true; + } + } + + contexts = talloc_realloc(state, state->contexts, struct poll_funcs_tevent_context *, state->num_contexts + 1); |