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authorStefan Roese <sr@denx.de>2010-05-17 10:01:05 +0200
committerStefan Roese <sr@denx.de>2010-05-19 10:57:24 +0200
commitbdc5f06789c5a0c3a9a2c0eb33ec4d177dbdaa22 (patch)
tree13fd94baaf168b9858bba483a04a0791e468c82b
parent1b1f9a9d00447d9eab32ae5633f60a106196b75f (diff)
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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>
-rw-r--r--include/ubi_uboot.h2
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)