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-rw-r--r--src/svm/svm_fifo.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index 2150694ef46..7197e386dbd 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -1010,25 +1010,26 @@ svm_fifo_enqueue_segments (svm_fifo_t * f, const svm_fifo_seg_t segs[],
}
else
{
- len = clib_min (free_count, len);
+ u32 n_left = clib_min (free_count, len);
- if (f_pos_gt (tail + len, f_chunk_end (f_end_cptr (f))))
+ if (f_pos_gt (tail + n_left, f_chunk_end (f_end_cptr (f))))
{
- if (PREDICT_FALSE (f_try_chunk_alloc (f, head, tail, len)))
+ if (PREDICT_FALSE (f_try_chunk_alloc (f, head, tail, n_left)))
{
- len = f_chunk_end (f_end_cptr (f)) - tail;
- if (!len)
+ n_left = f_chunk_end (f_end_cptr (f)) - tail;
+ if (!n_left)
return SVM_FIFO_EGROW;
}
}
+ len = n_left;
i = 0;
- while (len)
+ while (n_left)
{
- u32 to_copy = clib_min (segs[i].len, len);
+ u32 to_copy = clib_min (segs[i].len, n_left);
svm_fifo_copy_to_chunk (f, f_tail_cptr (f), tail, segs[i].data,
to_copy, &f->shr->tail_chunk);
- len -= to_copy;
+ n_left -= to_copy;
tail += to_copy;
i++;
}