linux-kernel - [PATCH 1/2] drm: tegra: dc: Handle return value of kasprintf

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Message-Id: <1505892308-6843-2-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Wed, 20 Sep 2017 12:55:07 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     thierry.reding@...il.com, airlied@...ux.ie, jonathanh@...dia.com,
        daniel.vetter@...el.com, jani.nikula@...ux.intel.com,
        seanpaul@...omium.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] drm: tegra: dc: Handle return value of kasprintf

kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/gpu/drm/tegra/dc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 4df3911..f3214a1 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1695,6 +1695,8 @@ static int tegra_dc_debugfs_init(struct tegra_dc *dc, struct drm_minor *minor)
 	int err;
 
 	name = kasprintf(GFP_KERNEL, "dc.%d", dc->pipe);
+	if (!name)
+		return -ENOMEM;
 	dc->debugfs = debugfs_create_dir(name, minor->debugfs_root);
 	kfree(name);
 
-- 
1.9.1