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修复低概率终端无法输入问题 (#6464) 

* [ulog] Fix the problem that the terminal cannot input

* [mem] Fix NULL pointer access
This commit is contained in:
Tangyuxin 2022-09-27 11:11:29 +08:00 committed by GitHub
parent 82bf18b771
commit ca30428cee
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 10 deletions
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4
components/utilities/ulog/backend/console_be.c
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@ -31,11 +31,7 @@ void ulog_console_backend_output(struct ulog_backend *backend, rt_uint32_t level
}
else
{
rt_uint16_t old_flag = dev->open_flag;
dev->open_flag |= RT_DEVICE_FLAG_STREAM;
rt_device_write(dev, 0, log, len);
dev->open_flag = old_flag;
}
#else
rt_hw_console_output(log);

11
src/mem.c
View File

@ -525,12 +525,6 @@ void rt_smem_free(void *rmem)
/* Get the corresponding struct rt_small_mem_item ... */
mem = (struct rt_small_mem_item *)((rt_uint8_t *)rmem - SIZEOF_STRUCT_MEM);
RT_DEBUG_LOG(RT_DEBUG_MEM,
("release memory 0x%x, size: %d\n",
(rt_ubase_t)rmem,
(rt_ubase_t)(mem->next - ((rt_uint8_t *)mem - small_mem->heap_ptr))));
/* ... which has to be in a used state ... */
small_mem = MEM_POOL(mem);
RT_ASSERT(small_mem != RT_NULL);
@ -541,6 +535,11 @@ void rt_smem_free(void *rmem)
(rt_uint8_t *)rmem < (rt_uint8_t *)small_mem->heap_end);
RT_ASSERT(MEM_POOL(&small_mem->heap_ptr[mem->next]) == small_mem);
RT_DEBUG_LOG(RT_DEBUG_MEM,
("release memory 0x%x, size: %d\n",
(rt_ubase_t)rmem,
(rt_ubase_t)(mem->next - ((rt_uint8_t *)mem - small_mem->heap_ptr))));
/* ... and is now unused. */
mem->pool_ptr = MEM_FREED();
#ifdef RT_USING_MEMTRACE