[Ocf-linux-users] Memory leak observed in cryptodev

[anand r. <one...@ya...>]

Hi,

I have implemented an OCF-driver for our crypto Hardware.

For initial testing I have just registered call backs for OCF like below.

        DEVMETHOD(cryptodev_newsession, xxx_newsession),
        DEVMETHOD(cryptodev_freesession,xxx_freesession),
        DEVMETHOD(cryptodev_process,    xxx_process),
        DEVMETHOD(cryptodev_kprocess,   xxx_kprocess),

But I am returning at the very beginning of callbacks xxx_newsession() and xxx_processs() without doing any operation by "return (EINVAL);"
So when I return like these the crypto operations supposed to be fallback to cryptosoft.


Now I am running this driver on two boards, on the first board I am running a TLS server (using openssl s_server -tls1)

and on the second board I am running TLS client (using openssl s_client -tls1) 


on both boards the crypto operations which are passed to OCF through OpenSSL will be offloaded to crypto Hardware but since I am returning immediately at xxx_newsession() with
error value, the crypto operation should get fallback to cryptosoft.

But when I do this I am observing a memory leak in the system. I have taken the memory usage details before starting the test and continuously observed memory usage till the duration of test,
using "cat /proc/meminfo" command.

Please give some suggestions on what could be going wrong.


Best Regards,
Anand