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-rw-r--r--drivers/firmware/efi/efi-pstore.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index 4b9dc836dcf9..e992abc5ef26 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -40,7 +40,7 @@ struct pstore_read_data {
static inline u64 generic_id(unsigned long timestamp,
unsigned int part, int count)
{
- return (timestamp * 100 + part) * 1000 + count;
+ return ((u64) timestamp * 100 + part) * 1000 + count;
}
static int efi_pstore_read_func(struct efivar_entry *entry, void *data)