6:15 p.m.
tree: http://git.linaro.org/people/jens.wiklander/linux-tee testing/tuxbuild
head: 9ea0d125d4c9a4144b8641c454e97406b483722d
commit: b056eac4e504db8ee3fb03b4d13f1c9f2653bee8 [6/13] tee: replace tee_shm_alloc()
config: arc-allyesconfig
(https://download.01.org/0day-ci/archive/20220114/202201141526.DF7opbkO-lk...)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add jens-wiklander-tee
http://git.linaro.org/people/jens.wiklander/linux-tee
git fetch --no-tags jens-wiklander-tee testing/tuxbuild
git checkout b056eac4e504db8ee3fb03b4d13f1c9f2653bee8
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=arc SHELL=/bin/bash drivers/tee/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> drivers/tee/tee_shm.c:52:17: warning: no previous prototype for
'shm_alloc_helper' [-Wmissing-prototypes]
52 | struct tee_shm
*shm_alloc_helper(struct tee_context *ctx, size_t size,
| ^~~~~~~~~~~~~~~~
vim +/shm_alloc_helper +52 drivers/tee/tee_shm.c
51
52 struct tee_shm *shm_alloc_helper(struct tee_context *ctx, size_t
size,
53 size_t align, u32 flags, int id)
54 {
55 struct tee_device *teedev = ctx->teedev;
56 struct tee_shm *shm;
57 void *ret;
58 int rc;
59
60 if (!tee_device_get(teedev))
61 return ERR_PTR(-EINVAL);
62
63 if (!teedev->pool) {
64 /* teedev has been detached from driver */
65 ret = ERR_PTR(-EINVAL);
66 goto err_dev_put;
67 }
68
69 shm = kzalloc(sizeof(*shm), GFP_KERNEL);
70 if (!shm) {
71 ret = ERR_PTR(-ENOMEM);
72 goto err_dev_put;
73 }
74
75 refcount_set(&shm->refcount, 1);
76 shm->flags = flags;
77 shm->id = id;
78
79 /*
80 * We're assigning this as it is needed if the shm is to be
81 * registered. If this function returns OK then the caller expected
82 * to call teedev_ctx_get() or clear shm->ctx in case it's not
83 * needed any longer.
84 */
85 shm->ctx = ctx;
86
87 rc = teedev->pool->ops->alloc(teedev->pool, shm, size, align);
88 if (rc) {
89 ret = ERR_PTR(rc);
90 goto err_kfree;
91 }
92
93 teedev_ctx_get(ctx);
94 return shm;
95 err_kfree:
96 kfree(shm);
97 err_dev_put:
98 tee_device_put(teedev);
99 return ret;
100 }
101
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org