linux-kernel - [PATCH 02/23] staging: r8188eu: rewrite subtraction in core/rtw

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Date:   Mon, 16 Aug 2021 17:57:57 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
        fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 02/23] staging: r8188eu: rewrite subtraction in core/rtw_cmd.c

Rewrite subtraction in core/rtw_cmd.c to clear missing spaces around
operator reported by checkpatch.

256-1 -> 255

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_cmd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_cmd.c b/drivers/staging/r8188eu/core/rtw_cmd.c
index e95cb27516b0..ff6c5fa71101 100644
--- a/drivers/staging/r8188eu/core/rtw_cmd.c
+++ b/drivers/staging/r8188eu/core/rtw_cmd.c
@@ -832,10 +832,10 @@ u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
 
 	psecuritypriv->authenticator_ie[0] = (unsigned char)psecnetwork->IELength;
 
-	if ((psecnetwork->IELength-12) < (256-1)) {
+	if ((psecnetwork->IELength-12) < 255) {
 		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], psecnetwork->IELength-12);
 	} else {
-		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], (256-1));
+		memcpy(&psecuritypriv->authenticator_ie[1], &psecnetwork->IEs[12], 255);
 	}
 
 	psecnetwork->IELength = 0;
-- 
2.32.0