From: Kent Overstreet <kent.overstreet@xxxxxxxxx> The upcoming patch to switch tracing from seq_buf to printbuf means we're no longer pulling in headers that we used to; this adds a missing include so things don't break. Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx> Cc: linux-acpi@xxxxxxxxxxxxxxx --- drivers/acpi/apei/erst-dbg.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c index 8bc71cdc2270..370993c9c381 100644 --- a/drivers/acpi/apei/erst-dbg.c +++ b/drivers/acpi/apei/erst-dbg.c @@ -11,6 +11,7 @@ * Author: Huang Ying <ying.huang@xxxxxxxxx> */ +#include <linux/fs.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/uaccess.h> -- 2.35.1