[PATCH]drivers: returning proper error from serial driver

[Ram Gupta]

This patch fixes 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. Please apply

Signed-off-by: Ram Gupta(r.gupta@xxxxxxxxxxxxxxxx)
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Thanks
Ram Gupta

Attachment: patch.serial_core
Description: Binary data