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Thu, 14 May 2026 01:26:18 -0700 (PDT) Received: from [127.0.1.1] ([103.158.43.41]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-c82bb06875bsm1589102a12.3.2026.05.14.01.26.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2026 01:26:18 -0700 (PDT) From: Abdun Nihaal Date: Thu, 14 May 2026 13:54:41 +0530 Subject: [PATCH 12/14] fbdev: efifb: fix memory leak in efifb_probe() Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260514-fbdev-v1-12-b3a2474fa720@cse.iitm.ac.in> References: <20260514-fbdev-v1-0-b3a2474fa720@cse.iitm.ac.in> In-Reply-To: <20260514-fbdev-v1-0-b3a2474fa720@cse.iitm.ac.in> To: Helge Deller , Javier Martinez Canillas , Thomas Zimmermann , Benjamin Herrenschmidt , Andrew Morton , Sebastian Siewior , Florian Tobias Schandinat , Ondrej Zary , Antonino Daplas , Paul Mundt , Krzysztof Helt , Tomi Valkeinen , Michal Januszewski , Heiko Schocher , Peter Jones Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Abdun Nihaal X-Mailer: b4 0.13.0 Since commit 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") the string returned from fb_get_options() is expected to be freed by the caller, but the string is not freed in efifb_probe(). Fix that by freeing the option string after setup. Fixes: 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") Cc: stable@vger.kernel.org Signed-off-by: Abdun Nihaal --- drivers/video/fbdev/efifb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 47ebc0107209..ad8dec7807c3 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -377,6 +377,7 @@ static int efifb_probe(struct platform_device *dev) if (fb_get_options("efifb", &option)) return -ENODEV; efifb_setup(si, option); + kfree(option); /* We don't get linelength from UGA Draw Protocol, only from * EFI Graphics Protocol. So if it's not in DMI, and it's not -- 2.43.0