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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>
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@ -123,7 +123,7 @@ typedef int wait_queue_head_t;
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#define init_rwsem(...) do { } while (0)
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#define init_rwsem(...) do { } while (0)
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#define down_read(...) do { } while (0)
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#define down_read(...) do { } while (0)
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#define down_write(...) do { } while (0)
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#define down_write(...) do { } while (0)
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#define down_write_trylock(...) 0
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#define down_write_trylock(...) 1
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#define up_read(...) do { } while (0)
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#define up_read(...) do { } while (0)
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#define up_write(...) do { } while (0)
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#define up_write(...) do { } while (0)
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