rtlwifi: rtl8192ee: Fix TX hang due to failure to update TX write point
Initially, the routine to update the write point in the FIFO buffer was coded to save CPU time by not doing the calculation every interrupt. This was an error and results in TX hangs. Signed-off-by: Troy Tan <troy_tan@realsil.com.cn> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> [V3.18] Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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