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authorVinay Kumar Yadav <vinay.yadav@chelsio.com>2020-10-26 01:05:39 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-01 12:45:38 +0100
commitc3208dec446ac89598e27a1dd4c5443c3417f42b (patch)
tree47117a0c52e219d58c913702e74f6d68dca5babe
parentbnxt_en: Send HWRM_FUNC_RESET fw command unconditionally. (diff)
downloadlinux-stable-c3208dec446ac89598e27a1dd4c5443c3417f42b.tar.xz
linux-stable-c3208dec446ac89598e27a1dd4c5443c3417f42b.zip
chelsio/chtls: fix deadlock issue
[ Upstream commit 28e9dcd9172028263c8225c15c4e329e08475e89 ] In chtls_pass_establish() we hold child socket lock using bh_lock_sock and we are again trying bh_lock_sock in add_to_reap_list, causing deadlock. Remove bh_lock_sock in add_to_reap_list() as lock is already held. Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition") Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com> Link: https://lore.kernel.org/r/20201025193538.31112-1-vinay.yadav@chelsio.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/crypto/chelsio/chtls/chtls_cm.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index bad8e90ba168..7b0522dee025 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1513,7 +1513,6 @@ static void add_to_reap_list(struct sock *sk)
struct chtls_sock *csk = sk->sk_user_data;
local_bh_disable();
- bh_lock_sock(sk);
release_tcp_port(sk); /* release the port immediately */
spin_lock(&reap_list_lock);
@@ -1522,7 +1521,6 @@ static void add_to_reap_list(struct sock *sk)
if (!csk->passive_reap_next)
schedule_work(&reap_task);
spin_unlock(&reap_list_lock);
- bh_unlock_sock(sk);
local_bh_enable();
}