[U-Boot] [PATCH] UBI: Fix problem in UBI/Linux "compatibility layer"

[Stefan Roese <sr@denx.de>]

"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>
---
 include/ubi_uboot.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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 @@ typedef int	wait_queue_head_t;
 #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)
 
-- 
1.7.1