From c77adf214ba619ad959f37fa429aa3f1045fe0cf Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 21 Dec 2015 13:31:23 -0200 Subject: [media] ir-lirc-codec.c: don't leak lirc->drv-rbuf As reported by kmemleak: unreferenced object 0xffff8802adae0ba0 (size 192): comm "modprobe", pid 3024, jiffies 4296503588 (age 324.368s) hex dump (first 32 bytes): 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N.......... ff ff ff ff ff ff ff ff c0 48 25 a0 ff ff ff ff .........H%..... backtrace: [] kmemleak_alloc+0x4e/0xb0 [] kmem_cache_alloc_trace+0x1ec/0x280 [] ir_lirc_register+0x8d/0x7a0 [ir_lirc_codec] [] ir_raw_event_register+0x318/0x4b0 [rc_core] [] rc_register_device+0xf2d/0x1450 [rc_core] [] au0828_rc_register+0x7d1/0xa10 [au0828] [] au0828_usb_probe+0x6c2/0xcf0 [au0828] [] usb_probe_interface+0x45d/0x940 [] driver_probe_device+0x454/0xd90 [] __driver_attach+0x121/0x160 [] bus_for_each_dev+0x11f/0x1a0 [] driver_attach+0x3d/0x50 [] bus_add_driver+0x4c9/0x770 [] driver_register+0x18c/0x3b0 [] usb_register_driver+0x1f8/0x440 [] 0xffffffffa13680b7 0xf3d is in ir_lirc_register (drivers/media/rc/ir-lirc-codec.c:348). 343 drv = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); 344 if (!drv) 345 return rc; 346 347 rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL); 348 if (!rbuf) 349 goto rbuf_alloc_failed; 350 351 rc = lirc_buffer_init(rbuf, sizeof(int), LIRCBUF_SIZE); 352 if (rc) Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/ir-lirc-codec.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/media') diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index a32659fcd266..5effc65d2947 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -415,6 +415,7 @@ static int ir_lirc_unregister(struct rc_dev *dev) lirc_unregister_driver(lirc->drv->minor); lirc_buffer_free(lirc->drv->rbuf); + kfree(lirc->drv->rbuf); kfree(lirc->drv); return 0; -- cgit v1.2.3