efi: Fix handling error value in fdt_find_uefi_params

[karo-tx-linux.git] / drivers / firmware / efi / efi.c

diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 5a2631af7410782dc8f7ba993ab0b1139bf71abb..7dd2e2d372317f8a4ddb1fe464b29f662a001a28 100644 (file)
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -657,9 +657,12 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname,
                }
 
                if (subnode) {
-                       node = of_get_flat_dt_subnode_by_name(node, subnode);
-                       if (node < 0)
+                       int err = of_get_flat_dt_subnode_by_name(node, subnode);
+
+                       if (err < 0)
                                return 0;
+
+                       node = err;
                }
 
                return __find_uefi_params(node, info, dt_params[i].params);