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Bandaid locking change: mark static rule mutex recursive so re-entry when

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sending an ICMP packet doesn't cause a panic.  A better solution is needed;
possibly defering the transmit to a dedicated thread.

Observed by:	"Aaron Wohl" <freebsd@soith.com>
This commit is contained in:
Sam Leffler 2003-09-17 22:06:47 +00:00
parent f34f3a7097
commit 598345da4b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=120182
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/ip_fw2.c
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@ -111,7 +111,8 @@ struct ip_fw_chain {
struct mtx mtx; /* lock guarding rule list */
};
#define IPFW_LOCK_INIT(_chain) \
mtx_init(&(_chain)->mtx, "IPFW static rules", NULL, MTX_DEF)
mtx_init(&(_chain)->mtx, "IPFW static rules", NULL, \
MTX_DEF | MTX_RECURSE)
#define IPFW_LOCK_DESTROY(_chain) mtx_destroy(&(_chain)->mtx)
#define IPFW_LOCK(_chain) mtx_lock(&(_chain)->mtx)
#define IPFW_UNLOCK(_chain) mtx_unlock(&(_chain)->mtx)