diff options
Diffstat (limited to 'src/svm/svm_fifo.c')
| -rw-r--r-- | src/svm/svm_fifo.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c index 3552192a768..dbdb813a7df 100644 --- a/src/svm/svm_fifo.c +++ b/src/svm/svm_fifo.c @@ -622,14 +622,14 @@ void svm_fifo_overwrite_head (svm_fifo_t * f, u8 * data, u32 len) { u32 first_chunk; + first_chunk = f->nitems - f->head; ASSERT (len <= f->nitems); - if (len < f->nitems - f->head) + if (len <= first_chunk) clib_memcpy (&f->data[f->head], data, len); else { - first_chunk = len - (f->nitems - f->head); clib_memcpy (&f->data[f->head], data, first_chunk); - clib_memcpy (f->data, data + first_chunk, len - first_chunk); + clib_memcpy (&f->data[0], data + first_chunk, len - first_chunk); } } |