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selftests: hsr: Use `let' properly.
The timeout in the while loop is never subtracted due wrong usage of `let' leading to an endless loop if the former condition never gets true. Put the statement for let in quotes so it is parsed as a single statement. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -197,7 +197,7 @@ do
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break
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break
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fi
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fi
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sleep 1
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sleep 1
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let WAIT = WAIT - 1
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let "WAIT = WAIT - 1"
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done
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done
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# Just a safety delay in case the above check didn't handle it.
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# Just a safety delay in case the above check didn't handle it.
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