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openingd: ensure that revents fields are initialized.

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Valgrind error file: valgrind-errors.112365
==112365== Conditional jump or move depends on uninitialised value(s)
==112365==    at 0x1105E0: main (openingd.c:1504)
==112365== 
==112365== Conditional jump or move depends on uninitialised value(s)
==112365==    at 0x110604: main (openingd.c:1507)
==112365== 
==112365== Conditional jump or move depends on uninitialised value(s)
==112365==    at 0x110628: main (openingd.c:1510)
==112365==

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2019-09-22 11:34:43 +09:30
parent e74dfa7fa1
commit 3c9ca5d3e1
1 changed files with 6 additions and 0 deletions
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6
openingd/openingd.c
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@ -1497,6 +1497,12 @@ int main(int argc, char *argv[])
t = time_to_msec(trel);
else
t = -1;
/*~ If we get a signal which aborts the poll() call, valgrind
* complains about revents being uninitialized. I'm not sure
* that's correct, but it's easy to be sure. */
pollfd[0].revents = pollfd[1].revents = pollfd[2].revents = 0;
poll(pollfd, ARRAY_SIZE(pollfd), t);
/* Subtle: handle_master_in can do its own poll loop, so
* don't try to service more than one fd per loop. */