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OP-TEE: use sema_init instead of __SEMAPHORE_INITIALIZER

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Fix lockdep warning:
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU:rk3288:/ $  0 PID: 234 Comm: tee-supplicant Not tainted 4.4.64 #51
Hardware name: Rockchip (Device Tree)
[<c0110018>] (unwind_backtrace) from [<c010c048>] (show_stack+0x10/0x14)
[<c010c048>] (show_stack) from [<c04194a8>] (dump_stack+0x9c/0xd4)
[<c04194a8>] (dump_stack) from [<c018321c>] (__lock_acquire+0x638/0x1c10)
[<c018321c>] (__lock_acquire) from [<c01850ec>] (lock_acquire+0x1d0/0x29c)
[<c01850ec>] (lock_acquire) from [<c0bc0f3c>] (_raw_spin_lock_irqsave+0x50/0x64)
[<c0bc0f3c>] (_raw_spin_lock_irqsave) from [<c017e148>] (down_interruptible+0xc/0x48)
[<c017e148>] (down_interruptible) from [<c03cd72c>] (tee_supp_read+0x74/0x154)
[<c03cd72c>] (tee_supp_read) from [<c025d638>] (__vfs_read+0x2c/0xf0)
[<c025d638>] (__vfs_read) from [<c025de30>] (vfs_read+0x84/0x134)
[<c025de30>] (vfs_read) from [<c025e720>] (SyS_read+0x4c/0xa4)
[<c025e720>] (SyS_read) from [<c01072c0>] (ret_fast_syscall+0x0/0x1c)

Change-Id: I09335112bed6efb30e60a22b471d4467eecaf520
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
This commit is contained in:
Huang, Tao
2017-05-06 13:45:41 +08:00
parent cf1df1b161
commit 3ee0d9f2b7
1 changed files with 2 additions and 4 deletions
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6
security/optee_linuxdriver/core/tee_supp_com.c
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@@ -258,10 +258,8 @@ int tee_supp_init(struct tee *tee)
return -ENOMEM;
}
rpc->datafromuser = (struct semaphore)
__SEMAPHORE_INITIALIZER(rpc->datafromuser, 0);
rpc->datatouser = (struct semaphore)
__SEMAPHORE_INITIALIZER(rpc->datatouser, 0);
sema_init(&rpc->datafromuser, 0);
sema_init(&rpc->datatouser, 0);
mutex_init(&rpc->thrd_mutex);
mutex_init(&rpc->outsync);
mutex_init(&rpc->insync);