Re: [PATCH v6 04/19] crypto: marvell/cesa: remove redundant backlog checks on EBUSY

From: kbuild test robot
Date: Thu Aug 24 2017 - 09:02:14 EST


Hi Gilad,

[auto build test ERROR on cryptodev/master]
[also build test ERROR on v4.13-rc6 next-20170823]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Gilad-Ben-Yossef/crypto-change-transient-busy-return-code-to-EAGAIN/20170824-180606
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All error/warnings (new ones prefixed by >>):

drivers/crypto/marvell/cesa.c: In function 'mv_cesa_queue_req':
>> drivers/crypto/marvell/cesa.c:187:3: error: expected ')' before 'mv_cesa_tdma_chain'
mv_cesa_tdma_chain(engine, creq);
^~~~~~~~~~~~~~~~~~
>> drivers/crypto/marvell/cesa.c:196:1: error: expected expression before '}' token
}
^
>> drivers/crypto/marvell/cesa.c:196:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^

vim +187 drivers/crypto/marvell/cesa.c

f63601fd6 Boris Brezillon 2015-06-18 176
53da740fe Romain Perier 2016-06-21 177 int mv_cesa_queue_req(struct crypto_async_request *req,
53da740fe Romain Perier 2016-06-21 178 struct mv_cesa_req *creq)
f63601fd6 Boris Brezillon 2015-06-18 179 {
f63601fd6 Boris Brezillon 2015-06-18 180 int ret;
bf8f91e71 Romain Perier 2016-06-21 181 struct mv_cesa_engine *engine = creq->engine;
f63601fd6 Boris Brezillon 2015-06-18 182
bf8f91e71 Romain Perier 2016-06-21 183 spin_lock_bh(&engine->lock);
bf8f91e71 Romain Perier 2016-06-21 184 ret = crypto_enqueue_request(&engine->queue, req);
603e989eb Romain Perier 2016-07-22 185 if ((mv_cesa_req_get_type(creq) == CESA_DMA_REQ) &&
3a1c7473a Gilad Ben-Yossef 2017-08-21 186 (ret == -EINPROGRESS || ret == -EBUSY)
603e989eb Romain Perier 2016-07-22 @187 mv_cesa_tdma_chain(engine, creq);
bf8f91e71 Romain Perier 2016-06-21 188 spin_unlock_bh(&engine->lock);
f63601fd6 Boris Brezillon 2015-06-18 189
f63601fd6 Boris Brezillon 2015-06-18 190 if (ret != -EINPROGRESS)
f63601fd6 Boris Brezillon 2015-06-18 191 return ret;
f63601fd6 Boris Brezillon 2015-06-18 192
85030c516 Romain Perier 2016-06-21 193 mv_cesa_rearm_engine(engine);
f63601fd6 Boris Brezillon 2015-06-18 194
f63601fd6 Boris Brezillon 2015-06-18 195 return -EINPROGRESS;
f63601fd6 Boris Brezillon 2015-06-18 @196 }
f63601fd6 Boris Brezillon 2015-06-18 197

:::::: The code at line 187 was first introduced by commit
:::::: 603e989ebee21bfa9cddf8390d0515a07324edc8 crypto: marvell - Don't chain at DMA level when backlog is disabled

:::::: TO: Romain Perier <romain.perier@xxxxxxxxxxxxxxxxxx>
:::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

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