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-rw-r--r--kernel/printk/printk_ringbuffer.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/printk/printk_ringbuffer.c b/kernel/printk/printk_ringbuffer.c
index 2493348a1631..24a960a89aa8 100644
--- a/kernel/printk/printk_ringbuffer.c
+++ b/kernel/printk/printk_ringbuffer.c
@@ -1125,7 +1125,10 @@ static char *data_realloc(struct printk_ringbuffer *rb,
/* If the data block does not increase, there is nothing to do. */
if (head_lpos - next_lpos < DATA_SIZE(data_ring)) {
- blk = to_block(data_ring, blk_lpos->begin);
+ if (wrapped)
+ blk = to_block(data_ring, 0);
+ else
+ blk = to_block(data_ring, blk_lpos->begin);
return &blk->data[0];
}