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[SERIAL] returning proper error from serial core driver
Fix the issue of returning 0 even in case of error from uart_set_info function. Now it returns the error EBUSY when it can not set new port. Signed-off-by: Ram Gupta <r.gupta@astronautics.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -792,6 +792,7 @@ static int uart_set_info(struct uart_state *state,
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* We failed anyway.
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*/
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retval = -EBUSY;
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goto exit; // Added to return the correct error -Ram Gupta
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}
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}
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