From: "Denis V. Lunev" <d...@openvz.org>
This error happens if we are not able to close the pipe to the
parent (to trace errors in the child process) and assign stderr to
/dev/null as required by the daemonizing convention.
Signed-off-by: Denis V. Lunev <d...@openvz.org>
Suggested-by: Eric Blake <ebl...@redhat.com>
CC: Eric Blake <ebl...@redhat.com>
CC: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru>
Message-ID: <20230906093210.339585-2-...@openvz.org>
Reviewed-by: Eric Blake <ebl...@redhat.com>
[eblake: commit message grammar]
Signed-off-by: Eric Blake <ebl...@redhat.com>
---
qemu-nbd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/qemu-nbd.c b/qemu-nbd.c
index b47459f781d..e2480061a16 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -324,7 +324,7 @@ static void *nbd_client_thread(void *arg)
} else {
/* Close stderr so that the qemu-nbd process exits. */
if (dup2(STDOUT_FILENO, STDERR_FILENO) < 0) {
- error_report("Could not set stderr to /dev/null: %s",
+ error_report("Could not release pipe to parent: %s",
strerror(errno));
exit(EXIT_FAILURE);
}
@@ -1181,7 +1181,7 @@ int main(int argc, char **argv)
if (fork_process) {
if (dup2(STDOUT_FILENO, STDERR_FILENO) < 0) {
- error_report("Could not set stderr to /dev/null: %s",
+ error_report("Could not release pipe to parent: %s",
strerror(errno));
exit(EXIT_FAILURE);
}
--
2.41.0
