| From 3bee0460d74bad88eca6592e63ca926961b43b67 Mon Sep 17 00:00:00 2001 |
| From: Yi Zhao <yi.zhao@windriver.com> |
| Date: Fri, 6 Mar 2020 16:09:26 +0800 |
| Subject: [PATCH] sysctl: ignore EIO of stable_secret below |
| /proc/sys/net/ipv6/conf |
| |
| Avoid confusing messages caused by EIO on reading |
| /proc/sys/net/ipv6/conf/*/stable_secret if those are not set yet. |
| Make it behave the same as procps(>=3.3.13). |
| |
| Upstream-Status: Submitted [busybox@busybox.net mailing list] |
| |
| Signed-off-by: Yi Zhao <yi.zhao@windriver.com> |
| --- |
| procps/sysctl.c | 9 ++++++++- |
| 1 file changed, 8 insertions(+), 1 deletion(-) |
| |
| diff --git a/procps/sysctl.c b/procps/sysctl.c |
| index 6d77185ca..42c51cc91 100644 |
| --- a/procps/sysctl.c |
| +++ b/procps/sysctl.c |
| @@ -202,7 +202,14 @@ static int sysctl_act_on_setting(char *setting) |
| value = cptr = xmalloc_read(fd, NULL); |
| close(fd); |
| if (value == NULL) { |
| - bb_perror_msg("error reading key '%s'", outname); |
| + switch (errno) { |
| + case EIO: |
| + /* Ignore stable_secret below /proc/sys/net/ipv6/conf */ |
| + break; |
| + default: |
| + bb_perror_msg("error reading key '%s'", outname); |
| + break; |
| + } |
| retval = EXIT_FAILURE; |
| goto end; |
| } |
| -- |
| 2.17.1 |
| |