From patchwork Mon Feb 10 03:32:33 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ethan Carter Edwards X-Patchwork-Id: 863910 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [80.241.56.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 261BAEAF9; Mon, 10 Feb 2025 03:33:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.151 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739158386; cv=none; b=dWQc1VZN7/Ct+6HC9M//UdkE/qyi9539D864MroxwaeWovkiQz2K8y/8wgq0V0di8gmg2+1gwfKIRKn+SLaIwZDAXrZIatLYhulgM83lYLcxj03JQk89YdMfFt3jcbTmuGdgVJAQLyf9VABpySr8IbmsNylkJtUpGhGFzjS/CoY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739158386; c=relaxed/simple; bh=e6u4jgCux0UDketL1vecCE7NvY4pCwpsgSfqIahNaEs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=pWdyUnlCYJR/nrXIijuXEcLWMcy/y4VBw7DNSTNPpgqjtM5kLZotUq75w2Q0A26oY0AV8yPBXXQ6oUKCrNuVQMhU7CJN0XDcx9GpzMINtPTqPCP1Zymq3Vbm88vI3uNEyGtd83uK0l+6dMrZJBTs4xzgp5AI0PSf74TClt6k4sU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ethancedwards.com; spf=pass smtp.mailfrom=ethancedwards.com; dkim=pass (2048-bit key) header.d=ethancedwards.com header.i=@ethancedwards.com header.b=Zum5sqxM; arc=none smtp.client-ip=80.241.56.151 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ethancedwards.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ethancedwards.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ethancedwards.com header.i=@ethancedwards.com header.b="Zum5sqxM" Received: from smtp202.mailbox.org (smtp202.mailbox.org [10.196.197.202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4YrqsS1XtTz9sl9; Mon, 10 Feb 2025 04:33:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ethancedwards.com; s=MBO0001; t=1739158380; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=tRuwqs8KnCQigl941VXZN5uap3PzZB4mUUfaIPcppDI=; b=Zum5sqxM4Q4JadLtlN8RsIZGAEmp2nXh+dQCsajjGuCym3uOA8jSwQKWrZRVLJ0+JGOLzv fjv+l0WN++4bzhgvsdQQRpY0HSnuPZirOuAf3y7U5PLzJTHJkTFJePRDVZV4LitV3edu6e LOkycJegE4InZ6YLD7evKic1IRHLiwltgMswn8KLVP6d7CrbBxui+2K/vWBQLa4Sdnhwnb fdZeGbqMeWc4LnXQu0W1JeGaMtkdmwh/N9um/PnyYOyrw53Oypr/mfyCl8OTzXWkvvv45I xmVSE1eQ6dwr1HXxmv5p0zwjqbihex40Gg+ncRBQp/n7tOV/3KtcFLUPRu3SVg== From: Ethan Carter Edwards Date: Sun, 09 Feb 2025 22:32:33 -0500 Subject: [PATCH] drm/msm/dpu: Fix uninitialized variable Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250209-dpu-v1-1-0db666884f70@ethancedwards.com> X-B4-Tracking: v=1; b=H4sIAFBzqWcC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1MDIwNL3ZSCUt1k47TEZHOLtGQzQ3MloMqCotS0zAqwKdGxtbUA4F3dx1U AAAA= X-Change-ID: 20250209-dpu-c3fac78fc617 To: Abhinav Kumar Cc: Dmitry Baryshkov , Marijn Suijten , Simona Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Ethan Carter Edwards X-Developer-Signature: v=1; a=openpgp-sha256; l=1184; i=ethan@ethancedwards.com; h=from:subject:message-id; bh=e6u4jgCux0UDketL1vecCE7NvY4pCwpsgSfqIahNaEs=; b=LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tCgpvd0o0bkp2QXk4ekFKWGJEOXFoNThlVGp6e GhQcXlVeHBLOHNUdi9YbjVLaXljdFFLNTBiKyt4VDhoNXIzczNLCmg2M2M3NlUwT0xuc2Qvd2Vk YmlqbElWQmpJdEJWa3lSNVgrT2N0cER6UmtLTy8rNk5NSE1ZV1VDR2NMQXhTa0EKRS9uZncvQ0g zL0hRVkthdkxhK2xXWlFLanp4Y3ZQZmp6Vi9WTlNlYjdMd3F2ODJleGo3cEFzTWZ2dkRjU3FlVA pIeHhXT0R3TlhyQ25xT0Z1ZW1YbDNYZmU5YW5Qekt3Q2p4V3lBZ0JpWFUrUgo9dDY3OQotLS0tL UVORCBQR1AgTUVTU0FHRS0tLS0tCg== X-Developer-Key: i=ethan@ethancedwards.com; a=openpgp; fpr=2E51F61839D1FA947A7300C234C04305D581DBFE There is a possibility for an uninitialized *ret* variable to be returned in some code paths. Fix this by initializing *ret* to 0. Addresses-Coverity-ID: 1642546 ("Uninitialized scalar variable") Fixes: 774bcfb731765d ("drm/msm/dpu: add support for virtual planes") Signed-off-by: Ethan Carter Edwards --- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: a64dcfb451e254085a7daee5fe51bf22959d52d3 change-id: 20250209-dpu-c3fac78fc617 Best regards, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 098abc2c0003cde90ce6219c97ee18fa055a92a5..74edaa9ecee72111b70f32b832486aeebe545a28 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -1164,7 +1164,7 @@ int dpu_assign_plane_resources(struct dpu_global_state *global_state, unsigned int num_planes) { unsigned int i; - int ret; + int ret = 0; for (i = 0; i < num_planes; i++) { struct drm_plane_state *plane_state = states[i];