UBI: Fix problem in UBI/Linux "compatibility layer"
"down_write_trylock" needs to return 1 instead of 0 for success.
Otherwise copying a block with a read error (e.g. bit-flip on read)
won't work correctly.
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/ubi_uboot.h b/include/ubi_uboot.h
index 60f6a5f..d2c90a6 100644
--- a/include/ubi_uboot.h
+++ b/include/ubi_uboot.h
@@ -123,7 +123,7 @@
#define init_rwsem(...) do { } while (0)
#define down_read(...) do { } while (0)
#define down_write(...) do { } while (0)
-#define down_write_trylock(...) 0
+#define down_write_trylock(...) 1
#define up_read(...) do { } while (0)
#define up_write(...) do { } while (0)