V4L/DVB (13018): kzalloc failure ignored in au8522_probe()

Prevent NULL dereference if kzalloc() fails. Cc: Devin Heitmueller <dheitmueller@linuxtv.org> 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>
git-mirror · Sep 19, 2009 · 40d2951 · 40d2951
1 parent d8370f7
commit 40d2951
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/drivers/media/dvb/frontends/au8522_decoder.c b/drivers/media/dvb/frontends/au8522_decoder.c
@@ -792,6 +792,11 @@ static int au8522_probe(struct i2c_client *client,
 	}
 
 	demod_config = kzalloc(sizeof(struct au8522_config), GFP_KERNEL);
+	if (demod_config == NULL) {
+		if (instance == 1)
+			kfree(state);
+		return -ENOMEM;
+	}
 	demod_config->demod_address = 0x8e >> 1;
 
 	state->config = demod_config;