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[9.20] fix: dev: Add a missing rcu_read_unlock() call on exit path

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An exit path in the dns_dispatch_add() function fails to get out of
the RCU critical section when returning early. Add the missing
rcu_read_unlock() call.

Backport of MR !9561

Merge branch 'backport-aram/add-missing-rcu_read_unlock-in-dns_dispatch_add-9.20' into 'bind-9.20'

See merge request isc-projects/bind9!9564
This commit is contained in:
Arаm Sаrgsyаn 2024-09-27 14:29:46 +00:00
commit 5db2ec0739
1 changed files with 1 additions and 0 deletions
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lib/dns/dispatch.c
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@ -1496,6 +1496,7 @@ dns_dispatch_add(dns_dispatch_t *disp, isc_loop_t *loop,
fail:
if (result != ISC_R_SUCCESS) {
isc_mem_put(disp->mctx, resp, sizeof(*resp));
rcu_read_unlock();
return (result);
}