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-rw-r--r--kernel/dma/swiotlb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index b4d8167b2f8d..df68d29740a0 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1500,6 +1500,7 @@ static void swiotlb_release_slots(struct device *dev, phys_addr_t tlb_addr,
* swiotlb_del_transient() - delete a transient memory pool
* @dev: Device which mapped the buffer.
* @tlb_addr: Physical address within a bounce buffer.
+ * @pool: Pointer to the transient memory pool to be checked and deleted.
*
* Check whether the address belongs to a transient SWIOTLB memory pool.
* If yes, then delete the pool.