1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d7d5a5ae04ef..1bc1acf3bbbb 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -231,7 +231,8 @@ void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
         if (offset < 0)
                 ata_port_desc(ap, "%s %s%llu@0x%llx", name, type, len, start);
         else
-                ata_port_desc(ap, "%s 0x%llx", name, start + offset);
+                ata_port_desc(ap, "%s 0x%llx", name,
+                                start + (unsigned long long)offset);
 }
 
 #endif /* CONFIG_PCI */