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Fix fifo overflow correction.

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This commit is contained in:
Mengsk 2021-06-30 16:50:32 +02:00
parent 3b539fdd8d
commit 2b2549b573
1 changed files with 1 additions and 1 deletions
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src/common/tusb_fifo.c
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@ -342,7 +342,7 @@ static uint16_t backward_pointer(tu_fifo_t* f, uint16_t p, uint16_t offset)
// We limit the index space of p such that a correct wrap around happens
// Check for a wrap around or if we are in unused index space - This has to be checked first!!
// We are exploiting the wrap around to the correct index
if ((p < p - offset) || (p - offset > f->max_pointer_idx))
if ((p < (uint16_t)(p - offset)) || ((uint16_t)(p - offset) > f->max_pointer_idx))
{
p = (p - offset) - f->non_used_index_space;
}