staging: rts5208: remove redundant assignment to retval
Variable retval is initialized to a value that is never read and it is re-assigned later. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: NColin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20190818184649.13828-1-colin.king@canonical.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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