tools/testing/selftests: fix uninitialized variable
The err variable is intended to receive the timer_create() return before checking it Signed-off-by: NFelipe Pena <felipensp@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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