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From: Austin Kim <austindh.kim@gmail.com>
To: mchehab@kernel.org, khilman@baylibre.com
Cc: mjourdan@baylibre.com, gregkh@linuxfoundation.org,
	linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org,
	devel@driverdev.osuosl.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] media: meson: Add NULL check after the call to kmalloc()
Date: Wed, 4 Sep 2019 17:22:32 +0900	[thread overview]
Message-ID: <20190904082232.GA171180@LGEARND20B15> (raw)

If the kmalloc() return NULL, the NULL pointer dereference will occur.
	new_ts->ts = ts;

Add exception check after the call to kmalloc() is made.

Signed-off-by: Austin Kim <austindh.kim@gmail.com>
---
 drivers/staging/media/meson/vdec/vdec_helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
index f16948b..e7e56d5 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.c
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -206,6 +206,10 @@ void amvdec_add_ts_reorder(struct amvdec_session *sess, u64 ts, u32 offset)
 	unsigned long flags;
 
 	new_ts = kmalloc(sizeof(*new_ts), GFP_KERNEL);
+	if (!new_ts) {
+		dev_err(sess->core->dev, "Failed to kmalloc()\n");
+		return;
+	}
 	new_ts->ts = ts;
 	new_ts->offset = offset;
 
-- 
2.6.2


WARNING: multiple messages have this Message-ID (diff)
From: Austin Kim <austindh.kim@gmail.com>
To: mchehab@kernel.org, khilman@baylibre.com
Cc: mjourdan@baylibre.com, devel@driverdev.osuosl.org,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: [PATCH] media: meson: Add NULL check after the call to kmalloc()
Date: Wed, 4 Sep 2019 17:22:32 +0900	[thread overview]
Message-ID: <20190904082232.GA171180@LGEARND20B15> (raw)

If the kmalloc() return NULL, the NULL pointer dereference will occur.
	new_ts->ts = ts;

Add exception check after the call to kmalloc() is made.

Signed-off-by: Austin Kim <austindh.kim@gmail.com>
---
 drivers/staging/media/meson/vdec/vdec_helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
index f16948b..e7e56d5 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.c
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -206,6 +206,10 @@ void amvdec_add_ts_reorder(struct amvdec_session *sess, u64 ts, u32 offset)
 	unsigned long flags;
 
 	new_ts = kmalloc(sizeof(*new_ts), GFP_KERNEL);
+	if (!new_ts) {
+		dev_err(sess->core->dev, "Failed to kmalloc()\n");
+		return;
+	}
 	new_ts->ts = ts;
 	new_ts->offset = offset;
 
-- 
2.6.2

_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

WARNING: multiple messages have this Message-ID (diff)
From: Austin Kim <austindh.kim@gmail.com>
To: mchehab@kernel.org, khilman@baylibre.com
Cc: mjourdan@baylibre.com, devel@driverdev.osuosl.org,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: [PATCH] media: meson: Add NULL check after the call to kmalloc()
Date: Wed, 4 Sep 2019 17:22:32 +0900	[thread overview]
Message-ID: <20190904082232.GA171180@LGEARND20B15> (raw)

If the kmalloc() return NULL, the NULL pointer dereference will occur.
	new_ts->ts = ts;

Add exception check after the call to kmalloc() is made.

Signed-off-by: Austin Kim <austindh.kim@gmail.com>
---
 drivers/staging/media/meson/vdec/vdec_helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
index f16948b..e7e56d5 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.c
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -206,6 +206,10 @@ void amvdec_add_ts_reorder(struct amvdec_session *sess, u64 ts, u32 offset)
 	unsigned long flags;
 
 	new_ts = kmalloc(sizeof(*new_ts), GFP_KERNEL);
+	if (!new_ts) {
+		dev_err(sess->core->dev, "Failed to kmalloc()\n");
+		return;
+	}
 	new_ts->ts = ts;
 	new_ts->offset = offset;
 
-- 
2.6.2


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Austin Kim <austindh.kim@gmail.com>
To: mchehab@kernel.org, khilman@baylibre.com
Cc: mjourdan@baylibre.com, devel@driverdev.osuosl.org,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: [PATCH] media: meson: Add NULL check after the call to kmalloc()
Date: Wed, 4 Sep 2019 17:22:32 +0900	[thread overview]
Message-ID: <20190904082232.GA171180@LGEARND20B15> (raw)

If the kmalloc() return NULL, the NULL pointer dereference will occur.
	new_ts->ts = ts;

Add exception check after the call to kmalloc() is made.

Signed-off-by: Austin Kim <austindh.kim@gmail.com>
---
 drivers/staging/media/meson/vdec/vdec_helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
index f16948b..e7e56d5 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.c
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -206,6 +206,10 @@ void amvdec_add_ts_reorder(struct amvdec_session *sess, u64 ts, u32 offset)
 	unsigned long flags;
 
 	new_ts = kmalloc(sizeof(*new_ts), GFP_KERNEL);
+	if (!new_ts) {
+		dev_err(sess->core->dev, "Failed to kmalloc()\n");
+		return;
+	}
 	new_ts->ts = ts;
 	new_ts->offset = offset;
 
-- 
2.6.2


_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

             reply	other threads:[~2019-09-04  8:22 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04  8:22 Austin Kim [this message]
2019-09-04  8:22 ` [PATCH] media: meson: Add NULL check after the call to kmalloc() Austin Kim
2019-09-04  8:22 ` Austin Kim
2019-09-04  8:22 ` Austin Kim
2019-09-04  8:43 ` Rasmus Villemoes
2019-09-04  8:43   ` Rasmus Villemoes
2019-09-04  8:43   ` Rasmus Villemoes
2019-09-04  8:43   ` Rasmus Villemoes
2019-09-04 22:47   ` Austin Kim
2019-09-04 22:47     ` Austin Kim
2019-09-04 22:47     ` Austin Kim
2019-09-04 22:47     ` Austin Kim
2019-09-04  8:45 ` Greg KH
2019-09-04  8:45   ` Greg KH
2019-09-04  8:45   ` Greg KH
2019-09-04  8:45   ` Greg KH
2019-09-04 22:39   ` Austin Kim
2019-09-04 22:39     ` Austin Kim
2019-09-04 22:39     ` Austin Kim
2019-09-04 22:39     ` Austin Kim

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