net: tls: factor out tls_*crypt_async_wait()

[ Upstream commit c57ca512f3b68ddcd62bda9cc24a8f5584ab01b1 ]

Factor out waiting for async encrypt and decrypt to finish.
There are already multiple copies and a subsequent fix will
need more. No functional changes.

Note that crypto_wait_req() returns wait->err

BUG=b/329957174
TEST=presubmit
RELEASE_NOTE=None

Change-Id: I20272adf7d4c80a89cc9fc6bc33e67f39db83b10
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: aec7961916f3 ("tls: fix race between async notify and socket close")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/67296
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
1 file changed