From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 18 Sep 2009 23:26:53 +0000 (-0300)
Subject: V4L/DVB (13016): kmalloc failure ignored in lgdt3304_attach() and s921_attach()
X-Git-Tag: firefly_0821_release~12898^2~13
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8d04df4997b530d978d48a66655a99714af197ca;p=firefly-linux-kernel-4.4.55.git

V4L/DVB (13016): kmalloc failure ignored in lgdt3304_attach() and s921_attach()

Prevent NULL dereference if kmalloc() fails.

Cc: Markus Rechberger <mrechberger@sundtek.de>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/frontends/lgdt3304.c b/drivers/media/dvb/frontends/lgdt3304.c
index eb72a9866c93..e334b5d4e578 100644
--- a/drivers/media/dvb/frontends/lgdt3304.c
+++ b/drivers/media/dvb/frontends/lgdt3304.c
@@ -363,6 +363,8 @@ struct dvb_frontend* lgdt3304_attach(const struct lgdt3304_config *config,
 
 	struct lgdt3304_state *state;
 	state = kzalloc(sizeof(struct lgdt3304_state), GFP_KERNEL);
+	if (state == NULL)
+		return NULL;
 	state->addr = config->i2c_address;
 	state->i2c = i2c;
 
diff --git a/drivers/media/dvb/frontends/s921_module.c b/drivers/media/dvb/frontends/s921_module.c
index 3f5a0e1dfdf5..3156b64cfc96 100644
--- a/drivers/media/dvb/frontends/s921_module.c
+++ b/drivers/media/dvb/frontends/s921_module.c
@@ -169,6 +169,8 @@ struct dvb_frontend* s921_attach(const struct s921_config *config,
 
 	struct s921_state *state;
 	state = kzalloc(sizeof(struct s921_state), GFP_KERNEL);
+	if (state == NULL)
+		return NULL;
 
 	state->addr = config->i2c_address;
 	state->i2c = i2c;