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Subject[tip:WIP.sched/core 117/122] drivers/misc/vmw_vmci/vmci_host.c:321:9: error: implicit declaration of function 'get_current_cred'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head: a69a38e26e87ddbe993e33b55f693405cd62c76f
commit: bcdc18d4a46bc321d73fa769cfe294cf3cdae07d [117/122] sched/headers: Remove <linux/cred.h> inclusion from <linux/sched.h>
config: x86_64-randconfig-s4-02030507 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout bcdc18d4a46bc321d73fa769cfe294cf3cdae07d
# save the attached .config to linux build tree
make ARCH=x86_64

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

drivers/misc/vmw_vmci/vmci_host.c: In function 'vmci_host_do_init_context':
>> drivers/misc/vmw_vmci/vmci_host.c:321:9: error: implicit declaration of function 'get_current_cred' [-Werror=implicit-function-declaration]
cred = get_current_cred();
^~~~~~~~~~~~~~~~
>> drivers/misc/vmw_vmci/vmci_host.c:321:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
cred = get_current_cred();
^
>> drivers/misc/vmw_vmci/vmci_host.c:326:2: error: implicit declaration of function 'put_cred' [-Werror=implicit-function-declaration]
put_cred(cred);
^~~~~~~~
cc1: some warnings being treated as errors

vim +/get_current_cred +321 drivers/misc/vmw_vmci/vmci_host.c

8bf50399 George Zhang 2013-01-08 315 if (init_block.flags & ~VMCI_PRIVILEGE_FLAG_RESTRICTED) {
8bf50399 George Zhang 2013-01-08 316 vmci_ioctl_err("unsupported VMCI restriction flag\n");
8bf50399 George Zhang 2013-01-08 317 retval = -EINVAL;
8bf50399 George Zhang 2013-01-08 318 goto out;
8bf50399 George Zhang 2013-01-08 319 }
8bf50399 George Zhang 2013-01-08 320
8bf50399 George Zhang 2013-01-08 @321 cred = get_current_cred();
8bf50399 George Zhang 2013-01-08 322 vmci_host_dev->context = vmci_ctx_create(init_block.cid,
8bf50399 George Zhang 2013-01-08 323 init_block.flags, 0,
8bf50399 George Zhang 2013-01-08 324 vmci_host_dev->user_version,
8bf50399 George Zhang 2013-01-08 325 cred);
8bf50399 George Zhang 2013-01-08 @326 put_cred(cred);
8bf50399 George Zhang 2013-01-08 327 if (IS_ERR(vmci_host_dev->context)) {
8bf50399 George Zhang 2013-01-08 328 retval = PTR_ERR(vmci_host_dev->context);
8bf50399 George Zhang 2013-01-08 329 vmci_ioctl_err("error initializing context\n");

:::::: The code at line 321 was first introduced by commit
:::::: 8bf503991f87e32ea42a7bd69b79ba084fddc5d7 VMCI: host side driver implementation.

:::::: TO: George Zhang <georgezhang@vmware.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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