1 files changed, 2 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 11a3b617ef5d..054a0ed5c7ee 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -715,6 +715,8 @@ static int nvram_pstore_init(void)
         nvram_pstore_info.buf = oops_data;
         nvram_pstore_info.bufsize = oops_data_sz;
 
+        spin_lock_init(&nvram_pstore_info.buf_lock);
+
         rc = pstore_register(&nvram_pstore_info);
         if (rc != 0)
                 pr_err("nvram: pstore_register() failed, defaults to "