staging: rtl8192u: ieee80211: remove set but not used variable 'data_len'
Fixes gcc '-Wunused-but-set-variable' warning: drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c: In function ieee80211_ccmp_encrypt: drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c:162:6: warning: variable data_len set but not used [-Wunused-but-set-variable] It is not used since commit eb0e7bf3 ("staging: rtl8192u: ieee80211: ieee80211_crypt_ccmp.c: Use crypto API ccm(aes)") Reported-by: NHulk Robot <hulkci@huawei.com> Signed-off-by: NYueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20190821122250.71404-1-yuehaibing@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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