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[drivers]Fix put_force bug

This commit is contained in:
tangyuxin 2018-03-25 07:54:25 +08:00
parent 228c820e4d
commit 5b31545970
1 changed files with 4 additions and 1 deletions
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5
components/drivers/src/ringbuffer.c
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@ -119,8 +119,11 @@ rt_size_t rt_ringbuffer_put_force(struct rt_ringbuffer *rb,
space_length = rt_ringbuffer_space_len(rb); space_length = rt_ringbuffer_space_len(rb);
if (length > space_length) if (length > rb->buffer_size)
{
ptr = &ptr[length - rb->buffer_size];
length = rb->buffer_size; length = rb->buffer_size;
}
if (rb->buffer_size - rb->write_index > length) if (rb->buffer_size - rb->write_index > length)
{ {