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-rw-r--r--net/ipv4/tcp_sigpool.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/tcp_sigpool.c b/net/ipv4/tcp_sigpool.c
index 55b310a722c7..8512cb09ebc0 100644
--- a/net/ipv4/tcp_sigpool.c
+++ b/net/ipv4/tcp_sigpool.c
@@ -162,9 +162,8 @@ int tcp_sigpool_alloc_ahash(const char *alg, size_t scratch_size)
if (strcmp(cpool[i].alg, alg))
continue;
- if (kref_read(&cpool[i].kref) > 0)
- kref_get(&cpool[i].kref);
- else
+ /* pairs with tcp_sigpool_release() */
+ if (!kref_get_unless_zero(&cpool[i].kref))
kref_init(&cpool[i].kref);
ret = i;
goto out;