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OP-TEE: fix missing mutex unlock

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Change-Id: I4b4ba136b94da4dbe8d1fa561dbd03f7addfb350
Signed-off-by: Elon Zhang <zhangzj@rock-chips.com>
This commit is contained in:
Elon Zhang
2019-05-14 17:49:52 +08:00
committed by Tao Huang
parent 6d8a539d6c
commit cec3b99562
1 changed files with 2 additions and 0 deletions
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2
security/optee_linuxdriver/armtz/tee_mem.c
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@@ -180,6 +180,7 @@ struct shm_pool *tee_shm_pool_create(struct device *dev, size_t shm_size,
chunk = _KMALLOC(sizeof(struct mem_chunk), GFP_KERNEL);
if (!chunk) {
dev_err(dev, "kmalloc <struct MemChunk> failed\n");
mutex_unlock(&pool->lock);
goto alloc_failed;
}
memset(chunk, 0, sizeof(*chunk));
@@ -558,6 +559,7 @@ int rk_tee_shm_pool_free(struct device *dev, struct shm_pool *pool,
dev_warn(dev,
"< tee_shm_pool_free() WARNING, paddr=0x%p already released\n",
(void *)paddr);
mutex_unlock(&pool->lock);
return -EINVAL;
} else if (--chunk->counter == 0) {
dev_dbg(dev, "paddr=%p\n", (void *)paddr);