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-rw-r--r--drivers/block/ahci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index a93a8e1c04..c9a3beb79b 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -730,7 +730,7 @@ static int ata_scsiop_read_write(ccb *pccb, u8 is_write)
u16 now_blocks; /* number of blocks per iteration */
u32 transfer_size; /* number of bytes per iteration */
- now_blocks = min(MAX_SATA_BLOCKS_READ_WRITE, blocks);
+ now_blocks = min((u16)MAX_SATA_BLOCKS_READ_WRITE, blocks);
transfer_size = ATA_SECT_SIZE * now_blocks;
if (transfer_size > user_buffer_size) {
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