3 files changed, 7 insertions, 6 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));
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 163bb40511e7..49ff1de2178a 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -67,7 +67,8 @@ static void pstore_dump(struct kmsg_dumper *dumper,
         unsigned long   size, total = 0;
         char            *dst, *why;
         u64             id;
-        int             hsize, part = 1;
+        int             hsize;
+        unsigned int    part = 1;
 
         if (reason < ARRAY_SIZE(reason_str))
                 why = reason_str[reason];
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index 12be8f193d09..cc03bbf5c4b8 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -39,7 +39,7 @@ struct pstore_info {
         int             (*close)(struct pstore_info *psi);
         ssize_t         (*read)(u64 *id, enum pstore_type_id *type,
                         struct timespec *time, struct pstore_info *psi);
-        u64             (*write)(enum pstore_type_id type, int part,
+        u64             (*write)(enum pstore_type_id type, unsigned int part,
                         size_t size, struct pstore_info *psi);
         int             (*erase)(enum pstore_type_id type, u64 id,
                         struct pstore_info *psi);