If dvb_attach
<http://www.coverity.com:7448/display-error.cgi?user=fmalita&magic=8997c91336813f372812011c89e0e75e&source=2693a21be69533084392e43c4f3c5220&runid=86&table=file&line=107>(dst_attach,
...) fails in *frontend_init*(), the previously allocated 'state' is
leaked (Coverity ID 1437).
Also, when allocating 'state' the result of kmalloc() needs to be checked.
Signed-off-by: Florin Malita <[email protected]>
---
drivers/media/dvb/bt8xx/dvb-bt8xx.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index fb6c4cc..d22ba4e 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -665,6 +665,9 @@ static void frontend_init(struct dvb_bt8
case BTTV_BOARD_TWINHAN_DST:
/* DST is not a frontend driver !!! */
state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
+ if (!state)
+ break;
+
/* Setup the Card */
state->config = &dst_config;
state->i2c = card->i2c_adapter;
@@ -673,6 +676,7 @@ static void frontend_init(struct dvb_bt8
/* DST is not a frontend, attaching the ASIC */
if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
+ kfree(state);
break;
}
/* Attach other DST peripherals if any */
-
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