| Message ID | 1494503626-15877-5-git-send-email-gilad@benyossef.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | crypto: async crypto op fixes | expand |
diff --git a/Documentation/crypto/api-samples.rst b/Documentation/crypto/api-samples.rst index d021fd9..944f08b 100644 --- a/Documentation/crypto/api-samples.rst +++ b/Documentation/crypto/api-samples.rst @@ -48,7 +48,7 @@ Code Example For Symmetric Key Cipher Operation break; case -EINPROGRESS: case -EBUSY: - rc = wait_for_completion_interruptible( + rc = wait_for_completion( &sk->result.completion); if (!rc && !sk->result.err) { reinit_completion(&sk->result.completion);
The sample code was showing use of wait_for_completion_interruptible() for waiting for an async. crypto op to finish. However, if a signal arrived it would free the buffers used even while crypto HW might still DMA from/into the buffers. Resolve this by using wait_for_completion() instead. Reported-by: Eric Biggers <ebiggers3@gmail.com> Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> --- Documentation/crypto/api-samples.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.1.4