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ecdh_hsmd: ensure HSM fd is blocking on setup #9155

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ecdh_hsmd: ensure HSM fd is blocking on setup #9155

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3 changes: 3 additions & 0 deletions common/ecdh_hsmd.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
#include "config.h"
#include <assert.h>
#include <ccan/io/io.h>
#include <common/ecdh.h>
#include <common/ecdh_hsmd.h>
#include <common/utils.h>
Expand Down Expand Up @@ -33,4 +34,6 @@ void ecdh_hsmd_setup(int hsm_fd,
{
stashed_hsm_fd = hsm_fd;
stashed_failed = failed;
/* Like read_fds in subd.c: don't trust sender's O_NONBLOCK state (issue #9060). */
io_fd_block(hsm_fd, true);
}
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