Hi Tomas, [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on v4.6-rc2 next-20160401] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Tomas-Winkler/Replay-Protected-Memory-Block-RPMB-subsystem/20160403-174929 config: s390-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 All warnings (new ones prefixed by >>): drivers/char/rpmb/rpmb_sim.c: In function 'rpmb_sim_calc_hmac': >> drivers/char/rpmb/rpmb_sim.c:164:1: warning: 'rpmb_sim_calc_hmac' uses dynamic stack allocation } ^ vim +/rpmb_sim_calc_hmac +164 drivers/char/rpmb/rpmb_sim.c 148 149 ret = crypto_shash_init(desc); 150 if (ret) 151 goto out; 152 153 for (i = 0; i < blks; i++) { 154 ret = crypto_shash_update(desc, frames[i].data, hmac_data_len); 155 if (ret) 156 goto out; 157 } 158 ret = crypto_shash_final(desc, mac); 159 out: 160 if (ret) 161 dev_err(rsdev->dev, "digest error = %d", ret); 162 163 return ret; > 164 } 165 166 static int rpmb_op_not_programmed(struct rpmb_sim_dev *rsdev, 167 struct rpmb_data *rpmbd) 168 { 169 struct rpmb_frame *in_frame, *out_frame; 170 u16 req; 171 172 in_frame = &rpmbd->in_frames[0]; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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