From fb3ab105a5ef43b03d2788e9b124c7c69112682f Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Sat, 29 Aug 2009 15:31:49 -0300 Subject: [PATCH] V4L/DVB: stv0900: dereference of state->internal in fe_stv0900_error stv0900_init_internal() state->internal allocation may fail as well as the allocation of stv0900_first_inode or new_node->next_inode in append_internal(). Signed-off-by: Roel Kluin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stv0900_core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/dvb/frontends/stv0900_core.c b/drivers/media/dvb/frontends/stv0900_core.c index 74791d550dc7..e5791b2b913b 100644 --- a/drivers/media/dvb/frontends/stv0900_core.c +++ b/drivers/media/dvb/frontends/stv0900_core.c @@ -1384,7 +1384,14 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, } else { state->internal = kmalloc(sizeof(struct stv0900_internal), GFP_KERNEL); + if (state->internal == NULL) + return STV0900_INVALID_HANDLE; temp_int = append_internal(state->internal); + if (temp_int == NULL) { + kfree(state->internal); + state->internal = NULL; + return STV0900_INVALID_HANDLE; + } state->internal->dmds_used = 1; state->internal->i2c_adap = state->i2c_adap; state->internal->i2c_addr = state->config->demod_address; -- 2.30.2