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The MSR read is currently performed on both places where mxser_check_modem_status() is called. So move it there to avoid code duplication. Rename the variable to msr while we move it, to actually see what "status" we are testing. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20211118073125.12283-5-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>