diff options
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 */ |