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authorHaavard Skinnemoen <hskinnemoen@atmel.com>2007-07-18 20:06:04 +0200
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-07-18 20:47:04 +0200
commit3da86ee4f1884c70edbf76f61bfbbe028d2d1685 (patch)
treebe4216a6846b45cde1418706b357fca678a9f966 /arch/avr32/boards
parentf3e26984f1794f3472a50f330c5561766faa477b (diff)
[AVR32] Fix atomic_add_unless() and atomic_sub_unless()
These functions depend on "result" being initalized to 0, but "result" is not included as an input constraint to the inline assembly block following its initialization, only as an output constraint. Thus gcc thinks it doesn't need to initialize it, so result ends up undefined if the "unless" condition is true. This fixes an oops in sunrpc where the faulty atomics caused rpciod_up() to not start the workqueue as it should. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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