From nobody Wed Apr 1 20:37:32 2026 Received: from mail-dl1-f65.google.com (mail-dl1-f65.google.com [74.125.82.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 28EE63FADE0 for ; Wed, 1 Apr 2026 11:50:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775044234; cv=none; b=Aun9GiB5dlph9mH7KReDofrI4wd8cDTgUgJU7Sdj0gqn2nGA4FhJYQ7BJYaTlv53iunsvMYCCVDRCSG3G2H1CzkKLxIltA4Bi0SxUIJcdTV/rvmffCEjAnl0fqw/lgCdhxvYBJbGgtJDnJ2H3OBmHo9MPBHQfM1ZdAZVWtPBH9o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775044234; c=relaxed/simple; bh=eUhmrzdVT25OCdkUeNH4JVa+khkI4tspDIT/bFWYQkE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=i2O9al2NUz6P8QeI54QbElVrjXfqwd61a90swE463R91ksN3OESuyq9xFgA9/vcl5sietg9rZzcdiz00v0k89VmvrNUme31WVO8wMBbIfTwvGgddYs9wHzxKJ3zX/wE+mvvIghzw9zUlG1E6MV5g7nQO/BeecsFo76ygoZa6tYs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=otB35D9V; arc=none smtp.client-ip=74.125.82.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="otB35D9V" Received: by mail-dl1-f65.google.com with SMTP id a92af1059eb24-128e4d0cc48so8107835c88.1 for ; Wed, 01 Apr 2026 04:50:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775044232; x=1775649032; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=aT6V5P+e0JsAA4WNCPskshxPOVxvhnhHL31tSzgUe3w=; b=otB35D9Vmoah7NyoO96ctU7tp25nBAXgy7gqdVTtdvZKO14sWkPwHT3YHXSsCVuyHP tziGWFGGirc7lDNPmM5r/8jm9HlRaoH7dgy7wR61VgYasLJ4LKmCUDaB5oz6Bi0vw9rR 8ipHn3XlGnYFd44JG7BtkxVWOmm96Rmp3vBXDHlfZwHA3BKIrUyIbThpp32vz3arfuOE beM8ANkdK0SA53fbHczDw/NdzzIV7m4fRqYexUaVsFTRHixfox+7NhbBLEmxuudx5ILY JOaioA12o3Uyu0S/6nOS0Snm/JZ5iYs5GPCv/o+jnVIXMs0BJFXZKa0CtrKq9GkmqSFc Lyng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775044232; x=1775649032; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=aT6V5P+e0JsAA4WNCPskshxPOVxvhnhHL31tSzgUe3w=; b=CMZ7J1Dpbf5NBjlCdCT9c5P6zBEGGVJ1YavjrpbWSsHOUrtliLu3n7cCudYE8wd6kJ Fwa2iIrDDxwstuphcOQb2Uz5DRec/h6REN+h1FdP0laQAOju5P4dsrBf/Owrw1Nia3eX YrjcLRk7qY73NSqWecbVtMePAdZmeAAGyZtkbVROhk8PrufkRvHa/3RoWqgcSA6d3v1g Is7bsOA0kxR1/W282UdXdMELviwdxtxyieLP+xVUZH/7deGg945b6o+iultO3P/9vLBr us9y5umVUYfFTxYKCIfH5n0Y5u+4aXP3pnc6zUhc2jEUottqwLqaL7UQ98D+J65L8jIZ OF2Q== X-Forwarded-Encrypted: i=1; AJvYcCXyaz/iITXK1GIsMxNulknDvux/xQF8EDS7lHvf2cf26E5pLfISHQnslEM14vq6HQX7Ep3o5azmcgYcMRo=@vger.kernel.org X-Gm-Message-State: AOJu0Yw+DSGrUTRnys3rNmNb1nHg0olQ6czhWOqDNy8XJdPUrfoGpf2U mFeKbmhym42mWx2GD53IBbboOMqMb9NPV6ovK17W+WWD+9cGGIRQ1Lm0 X-Gm-Gg: ATEYQzwDJ7LMPpQqfp73E+pOplubx+1v7786YQEDHr5wbzGRvpqSB20TX5gjVQr+LYh LDzIR4T5MzSEx+nHePO2owZavL1T2yJcNIBl8Qq6GzpLfIpZVDMlJHXJoY9ZWzvn0diVVMncX2Q YBny9quXcDxKKJMgWan6nXNBZK83OhM9OBhjqa91Ye9AJi6M4cyz6kHKiUZVtU7oRPypLgMg51+ hssVBXviY90HnLFmItSROid9/JkWevt9B+9+icNVY/RMSCIcRHQXzbVIHXtwwiRJame0jTrQCeJ 0aWK6WZ5Iw2Ge5KZYvBU7W7B7CXWI3EuhpkoXuiDFL2EGkY6JzzLnx3c2Vv2QII8O8hV99gE63h WDZlmf0oupmRlOnGWK813spZ7Unu3eldd1MrpkPcIlN3HbE8Kf/dlMYVAm5K5yAjaWFZvQn1Qrg jyPwbdEToFY0Smt4PX9MEpENIosSleitpolLhx1Ca7cpmZGcp7btGU4z4= X-Received: by 2002:a05:701b:220f:b0:12b:ebc9:2464 with SMTP id a92af1059eb24-12bebc9260dmr174799c88.22.1775044232220; Wed, 01 Apr 2026 04:50:32 -0700 (PDT) Received: from localhost.localdomain ([76.32.119.210]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12ab983f9f3sm19200148c88.10.2026.04.01.04.50.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Apr 2026 04:50:31 -0700 (PDT) From: Hungyu Lin To: Sudip Mukherjee , Teddy Wang , Greg Kroah-Hartman Cc: linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Hungyu Lin Subject: [PATCH v4] staging: sm750fb: constify fix_id array Date: Wed, 1 Apr 2026 11:50:24 +0000 Message-Id: <20260401115024.89-1-dennylin0707@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the missing 'const' qualifier to the static fix_id array to ensure the pointer array itself is immutable. Originally: static const char *fix_id[2]; The strings are constant, but the pointer array itself is writable. With the change: static const char * const fix_id[2]; Both the strings and the pointer array are immutable, allowing the compiler to treat the object as read-only. Verified by inspecting the generated object file with 'nm': 00000000000002b8 0000000000000010 r fix_id.3 The 'r' flag indicates the symbol is placed in a read-only section. This does not change runtime behavior as fix_id is never modified. Signed-off-by: Hungyu Lin --- Changes in v4: - Clarify const semantics of fix_id. - Add compiler output showing symbol is read-only. --- drivers/staging/sm750fb/sm750.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm75= 0.c index 9a42a08c8..f7b5b22f1 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -728,7 +728,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int = index) lynx750_ext, NULL, vesa_modes, }; int cdb[] =3D {ARRAY_SIZE(lynx750_ext), 0, VESA_MODEDB_SIZE}; - static const char *fix_id[2] =3D { + static const char * const fix_id[2] =3D { "sm750_fb1", "sm750_fb2", }; =20 --=20 2.34.1