[PATCH 4.14 124/173] ARM: hisi: fix error handling and missing of_node_put

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Nicholas Mc Guire [ Upstream commit 9f30b5ae0585ca5234fe979294b8f897299dec99 ] of_iomap() can return NULL which seems critical here and thus should be explicitly flagged so that the cause of

[PATCH 4.14 124/173] ARM: hisi: fix error handling and missing of_node_put

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Nicholas Mc Guire [ Upstream commit 9f30b5ae0585ca5234fe979294b8f897299dec99 ] of_iomap() can return NULL which seems critical here and thus should be explicitly flagged so that the cause of