Re: [PATCH] sysctl: Fix ax25 checks

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Eric,

I applied your patch and now I have all /proc/sys/net/ax25
created and initialized as before.

Thanks.

Bernard Pidoux




Eric W. Biederman wrote:
Bernard Pidoux <[email protected]> writes:

With 2.6.24-rc5 there is no /proc/net/ax25

/proc/sys/net/ax25?

Here is an extract from dmesg after boot :

Groan.  I thought I had found the last of the bugs with
my sysctl sanity checks.  I guess you actually have to
use ax25 for this bug to show up.

Thank you for catching this.
=======================
sysctl table check failed: /net/ax25/ax0/ax25_default_mode .3.9.1.2 Unknown
sysctl binary path
Pid: 2936, comm: kissattach Not tainted 2.6.24-rc5 #1
 [<c012ca6a>] set_fail+0x3b/0x43
 [<c012ce7a>] sysctl_check_table+0x408/0x456
 [<c012ce8e>] sysctl_check_table+0x41c/0x456
 [<c012ce8e>] sysctl_check_table+0x41c/0x456
 [<c02ac64a>] _spin_unlock+0x14/0x1c
 [<c012ce8e>] sysctl_check_table+0x41c/0x456
 [<c011e681>] sysctl_set_parent+0x19/0x2a
 [<c011f55c>] register_sysctl_table+0x45/0x85
 [<d8be9d26>] ax25_register_sysctl+0x112/0x11c [ax25]
 [<d8be6c76>] ax25_device_event+0x2e/0x90 [ax25]
 [<c012c560>] notifier_call_chain+0x2a/0x47
 [<c012c59f>] raw_notifier_call_chain+0x17/0x1a
 [<c0259290>] dev_open+0x6f/0x75
 [<c0257ee7>] dev_change_flags+0x9c/0x148
 [<c0256ab3>] __dev_get_by_name+0x68/0x73
 [<c0292307>] devinet_ioctl+0x22e/0x53b
 [<c0259074>] dev_ioctl+0x472/0x5ba
 [<c024d4ba>] sock_ioctl+0x1aa/0x1cf
 [<c024d310>] sock_ioctl+0x0/0x1cf
 [<c016bc19>] do_ioctl+0x19/0x4c
 [<c016be40>] vfs_ioctl+0x1f4/0x20b
 [<c0103d01>] sysenter_past_esp+0x9a/0xa9
 [<c016be9c>] sys_ioctl+0x45/0x5d
 [<c0103cc6>] sysenter_past_esp+0x5f/0xa9
 =======================
sysctl table check failed: /net/ax25/ax0/backoff_type .3.9.1.3 Unknown sysctl
binary path
(...) truncated
 =======================
sysctl table check failed: /net/ax25/ax0/connect_mode .3.9.1.4 Unknown sysctl
binary path
(...)
 =======================
sysctl table check failed: /net/ax25/ax0/standard_window_size .3.9.1.5 Unknown
sysctl binary path
 =======================
(...)

and so on ...


Signed-off-by: Eric W. Biederman <[email protected]>
---
 kernel/sysctl_check.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index bed939f..a68425a 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -428,7 +428,7 @@ static struct trans_ctl_table trans_net_netrom_table[] = {
 	{}
 };
-static struct trans_ctl_table trans_net_ax25_table[] = {
+static struct trans_ctl_table trans_net_ax25_param_table[] = {
 	{ NET_AX25_IP_DEFAULT_MODE,	"ip_default_mode" },
 	{ NET_AX25_DEFAULT_MODE,	"ax25_default_mode" },
 	{ NET_AX25_BACKOFF_TYPE,	"backoff_type" },
@@ -446,6 +446,11 @@ static struct trans_ctl_table trans_net_ax25_table[] = {
 	{}
 };
+static struct trans_ctl_table trans_net_ax25_table[] = {
+	{ 0, NULL, trans_net_ax25_param_table },
+	{}
+};
+
 static struct trans_ctl_table trans_net_bridge_table[] = {
 	{ NET_BRIDGE_NF_CALL_ARPTABLES,		"bridge-nf-call-arptables" },
 	{ NET_BRIDGE_NF_CALL_IPTABLES,		"bridge-nf-call-iptables" },
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