1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index d842ac4f8cfe..6053f4780df9 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -933,8 +933,8 @@ static int erst_open_pstore(struct pstore_info *psi);
 static int erst_close_pstore(struct pstore_info *psi);
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
                            struct timespec *time, struct pstore_info *psi);
-static u64 erst_writer(enum pstore_type_id type, int part, size_t size,
-                       struct pstore_info *psi);
+static u64 erst_writer(enum pstore_type_id type, unsigned int part,
+                       size_t size, struct pstore_info *psi);
 static int erst_clearer(enum pstore_type_id type, u64 id,
                         struct pstore_info *psi);
 
@@ -1040,8 +1040,8 @@ out:
         return (rc < 0) ? rc : (len - sizeof(*rcd));
 }
 
-static u64 erst_writer(enum pstore_type_id type, int part, size_t size,
-                       struct pstore_info *psi)
+static u64 erst_writer(enum pstore_type_id type, unsigned int part,
+                       size_t size, struct pstore_info *psi)
 {
         struct cper_pstore_record *rcd = (struct cper_pstore_record *)
                                         (erst_info.buf - sizeof(*rcd));