diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-05-03 11:46:55 -0700 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-05-03 20:27:45 +0000 |
| commit | 344ce4277885e448912fdfc35bcfaf130c74d086 (patch) | |
| tree | e2ecaf3ad0c4ca224a32815af44ffd781bcfae5d /src/svm/svm_fifo.c | |
| parent | a7570b0378b071129937a89a5632011a962cdb43 (diff) | |
session/svm: apis for fifo shrinking
Change-Id: Ie519683bb90aae6fb95f2a09e251cded1890ed41
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/svm/svm_fifo.c')
| -rw-r--r-- | src/svm/svm_fifo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c index e017b619d15..3824d998866 100644 --- a/src/svm/svm_fifo.c +++ b/src/svm/svm_fifo.c @@ -677,7 +677,10 @@ svm_fifo_reduce_size (svm_fifo_t * f, u32 len, u8 try_shrink) svm_fifo_chunk_t *cur; u32 actual_len = 0; - if (len > f->nitems) + /* Abort if trying to reduce by more than fifo size or if + * fifo is undergoing resizing already */ + if (len >= f->size || f->size > f->nitems + 1 + || (f->flags & SVM_FIFO_F_SHRINK) || (f->flags & SVM_FIFO_F_GROW)) return 0; /* last chunk that will not be removed */ |