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    Subject[PATCH 5.4 013/110] staging: wlan-ng: ensure error return is actually returned
    Date
    From: Colin Ian King <colin.king@canonical.com>

    commit 4cc41cbce536876678b35e03c4a8a7bb72c78fa9 upstream.

    Currently when the call to prism2sta_ifst fails a netdev_err error
    is reported, error return variable result is set to -1 but the
    function always returns 0 for success. Fix this by returning
    the error value in variable result rather than 0.

    Addresses-Coverity: ("Unused value")
    Fixes: 00b3ed168508 ("Staging: add wlan-ng prism2 usb driver")
    Signed-off-by: Colin Ian King <colin.king@canonical.com>
    Cc: stable <stable@vger.kernel.org>
    Link: https://lore.kernel.org/r/20200114181604.390235-1-colin.king@canonical.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/staging/wlan-ng/prism2mgmt.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/staging/wlan-ng/prism2mgmt.c
    +++ b/drivers/staging/wlan-ng/prism2mgmt.c
    @@ -959,7 +959,7 @@ int prism2mgmt_flashdl_state(struct wlan
    }
    }

    - return 0;
    + return result;
    }

    /*----------------------------------------------------------------

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