diff options
Diffstat (limited to 'drivers/dma/dmatest.c')
| -rw-r--r-- | drivers/dma/dmatest.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index d042b2b4965e..a07ef3d6b3ec 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -535,6 +535,13 @@ static int dmatest_func(void *data) total_tests++; + /* Check if buffer count fits into map count variable (u8) */ + if ((src_cnt + dst_cnt) >= 255) { + pr_err("too many buffers (%d of 255 supported)\n", + src_cnt + dst_cnt); + break; + } + if (1 << align > params->buf_size) { pr_err("%u-byte buffer too small for %d-byte alignment\n", params->buf_size, 1 << align); |