diff options
Diffstat (limited to 'src/common/tusb_fifo.c')
| -rw-r--r-- | src/common/tusb_fifo.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/common/tusb_fifo.c b/src/common/tusb_fifo.c index 5f2dcabad..ecf002b09 100644 --- a/src/common/tusb_fifo.c +++ b/src/common/tusb_fifo.c @@ -916,8 +916,11 @@ bool tu_fifo_clear(tu_fifo_t *f) Overwritable mode the fifo is set to */ /******************************************************************************/ -bool tu_fifo_set_overwritable(tu_fifo_t *f, bool overwritable) -{ +bool tu_fifo_set_overwritable(tu_fifo_t *f, bool overwritable) { + if (f->overwritable == overwritable) { + return true; + } + _ff_lock(f->mutex_wr); _ff_lock(f->mutex_rd); |