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core, sysctl: skip ENOENT for /proc/sys/net/unix/max_dgram_qlen

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sysctl is disabled for /proc mounted from an user namespace thus entries like
/proc/sys/net/unix/max_dgram_qlen do not exist.  In this case, skip the error
and do not try to change the default for the AF_UNIX datagram queue length.
This commit is contained in:
Giuseppe Scrivano 2018-11-05 23:06:14 +01:00 committed by Lennart Poettering
parent 0e28c86f54
commit 875622c39e
1 changed files with 1 additions and 1 deletions
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2
src/core/main.c
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@ -1391,7 +1391,7 @@ static int bump_unix_max_dgram_qlen(void) {
r = read_one_line_file("/proc/sys/net/unix/max_dgram_qlen", &qlen);
if (r < 0)
return log_warning_errno(r, "Failed to read AF_UNIX datagram queue length, ignoring: %m");
return log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, "Failed to read AF_UNIX datagram queue length, ignoring: %m");
r = safe_atolu(qlen, &v);
if (r < 0)