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Commit 4a8f3a57 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Mauro Carvalho Chehab
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V4L/DVB (7460): bttv: Bt832 - fix possible NULL pointer deref 



This patch does fix potential NULL pointer dereference

Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 6fdf5e67

drivers/media/video/bt8xx/bt832.c

+11 −1
Original line number Diff line number Diff line
@@ -97,6 +97,11 @@ int bt832_init(struct i2c_client *i2c_client_s) 
	int rc;



	buf=kmalloc(65,GFP_KERNEL);

	if (!buf) {

		v4l_err(&t->client,

			"Unable to allocate memory. Detaching.\n");

		return 0;

	}

	bt832_hexdump(i2c_client_s,buf);



	if(buf[0x40] != 0x31) {
@@ -212,6 +217,11 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) 
		case BT832_HEXDUMP: {

			unsigned char *buf;

			buf = kmalloc(65, GFP_KERNEL);

			if (!buf) {

				v4l_err(&t->client,

					"Unable to allocate memory\n");

				break;

			}

			bt832_hexdump(&t->client,buf);

			kfree(buf);

		}