104 lines
4.8 KiB
Diff
104 lines
4.8 KiB
Diff
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From patchwork Tue Sep 17 03:31:23 2019
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Mon, 16 Sep 2019 20:31:42 -0700 (PDT)
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From: Navid Emamdoost <navid.emamdoost@gmail.com>
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Cc: emamd001@umn.edu, smccaman@umn.edu, kjlu@umn.edu,
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Navid Emamdoost <navid.emamdoost@gmail.com>,
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Ohad Ben-Cohen <ohad@wizery.com>,
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Bjorn Andersson <bjorn.andersson@linaro.org>,
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linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org
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Subject: [PATCH] rpmsg: char: release allocated memory
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Date: Mon, 16 Sep 2019 22:31:23 -0500
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Message-Id: <20190917033124.1077-1-navid.emamdoost@gmail.com>
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To: unlisted-recipients:; (no To-header on input)
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Sender: linux-remoteproc-owner@vger.kernel.org
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Precedence: bulk
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List-ID: <linux-remoteproc.vger.kernel.org>
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X-Mailing-List: linux-remoteproc@vger.kernel.org
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In rpmsg_eptdev_write_iter, if copy_from_iter_full fails the allocated
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buffer needs to be released.
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Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
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---
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drivers/rpmsg/rpmsg_char.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
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index eea5ebbb5119..c655074c07c2 100644
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--- a/drivers/rpmsg/rpmsg_char.c
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+++ b/drivers/rpmsg/rpmsg_char.c
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@@ -227,8 +227,10 @@ static ssize_t rpmsg_eptdev_write_iter(struct kiocb *iocb,
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if (!kbuf)
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return -ENOMEM;
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- if (!copy_from_iter_full(kbuf, len, from))
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- return -EFAULT;
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+ if (!copy_from_iter_full(kbuf, len, from)) {
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+ ret = -EFAULT;
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+ goto free_kbuf;
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+ }
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if (mutex_lock_interruptible(&eptdev->ept_lock)) {
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ret = -ERESTARTSYS;
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