AuxXxilium/linux_dsm_epyc7002
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netfilter: x_tables: move sleeping allocation outside BH-disabled region

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The jumpstack allocation needs to be moved out of the critical region.
Corrects this notice:

BUG: sleeping function called from invalid context at mm/slub.c:1705
[  428.295762] in_atomic(): 1, irqs_disabled(): 0, pid: 9111, name: iptables
[  428.295771] Pid: 9111, comm: iptables Not tainted 2.6.34-rc1 #2
[  428.295776] Call Trace:
[  428.295791]  [<c012138e>] __might_sleep+0xe5/0xed
[  428.295801]  [<c019e8ca>] __kmalloc+0x92/0xfc
[  428.295825]  [<f865b3bb>] ? xt_jumpstack_alloc+0x36/0xff [x_tables]

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Jan Engelhardt 2010-04-21 14:45:51 +02:00 committed by Patrick McHardy
parent 6c79bf0f24
commit d97a9e47ba
1 changed files with 6 additions and 6 deletions
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12
net/netfilter/x_tables.c
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@ -801,6 +801,12 @@ xt_replace_table(struct xt_table *table,
struct xt_table_info *private;
int ret;
ret = xt_jumpstack_alloc(newinfo);
if (ret < 0) {
*error = ret;
return NULL;
}
/* Do the substitution. */
local_bh_disable();
private = table->private;
@ -814,12 +820,6 @@ xt_replace_table(struct xt_table *table,
return NULL;
}
ret = xt_jumpstack_alloc(newinfo);
if (ret < 0) {
*error = ret;
return NULL;
}
table->private = newinfo;
newinfo->initial_entries = private->initial_entries;