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[71.63.131.226]) by smtp.gmail.com with ESMTPSA id g12sm16477924pfb.97.2019.09.23.12.48.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Sep 2019 12:48:38 -0700 (PDT) From: Connor Kuehl To: Larry.Finger@lwfinger.net, gregkh@linuxfoundation.org, straube.linux@gmail.com, devel@driverdev.osuosl.org Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] staging: rtl8188eu: remove dead code in do-while conditional step Date: Mon, 23 Sep 2019 12:48:06 -0700 Message-Id: <20190923194806.25347-1-connor.kuehl@canonical.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The local variable 'bcmd_down' is always set to true almost immediately before the do-while's condition is checked. As a result, !bcmd_down evaluates to false which short circuits the logical AND operator meaning that the second operand is never reached and is therefore dead code. Addresses-Coverity: ("Logically dead code") Signed-off-by: Connor Kuehl --- drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c b/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c index 47352f210c0b..a4b317937b23 100644 --- a/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c +++ b/drivers/staging/rtl8188eu/hal/rtl8188e_cmd.c @@ -48,7 +48,6 @@ static u8 _is_fw_read_cmd_down(struct adapter *adapt, u8 msgbox_num) static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *pCmdBuffer) { u8 bcmd_down = false; - s32 retry_cnts = 100; u8 h2c_box_num; u32 msgbox_addr; u32 msgbox_ex_addr; @@ -103,7 +102,7 @@ static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *p adapt->HalData->LastHMEBoxNum = (h2c_box_num+1) % RTL88E_MAX_H2C_BOX_NUMS; - } while ((!bcmd_down) && (retry_cnts--)); + } while (!bcmd_down); ret = _SUCCESS; -- 2.17.1