diff options
| -rw-r--r-- | kernel/printk/printk_ringbuffer.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/printk/printk_ringbuffer.c b/kernel/printk/printk_ringbuffer.c index d38e7c2f6887..46a79ec0940a 100644 --- a/kernel/printk/printk_ringbuffer.c +++ b/kernel/printk/printk_ringbuffer.c @@ -1237,11 +1237,9 @@ static unsigned int space_used(struct prb_data_ring *data_ring, if (BLK_DATALESS(blk_lpos)) return 0; - if (!is_blk_wrapped(data_ring, blk_lpos->begin, blk_lpos->next)) { - /* Data block does not wrap. */ - return (DATA_INDEX(data_ring, blk_lpos->next) - - DATA_INDEX(data_ring, blk_lpos->begin)); - } + /* Data block does not wrap. */ + if (!is_blk_wrapped(data_ring, blk_lpos->begin, blk_lpos->next)) + return blk_lpos->next - blk_lpos->begin; /* * For wrapping data blocks, the trailing (wasted) space is |