staging: vt6655: fix potential memory leak
authorNam Cao <namcaov@gmail.com>
Fri, 9 Sep 2022 14:13:39 +0000 (16:13 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 26 Oct 2022 10:35:47 +0000 (12:35 +0200)
commitff8551d411f12b5abc5ca929ab87643afa8a9588
treead277471a2cd119e31eb550bba86d871e4781bda
parent7c8bc374659de19d846f7cab3eda9ebdb005c4cc
staging: vt6655: fix potential memory leak

[ Upstream commit c8ff91535880d41b49699b3829fb6151942de29e ]

In function device_init_td0_ring, memory is allocated for member
td_info of priv->apTD0Rings[i], with i increasing from 0. In case of
allocation failure, the memory is freed in reversed order, with i
decreasing to 0. However, the case i=0 is left out and thus memory is
leaked.

Modify the memory freeing loop to include the case i=0.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Signed-off-by: Nam Cao <namcaov@gmail.com>
Link: https://lore.kernel.org/r/20220909141338.19343-1-namcaov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/staging/vt6655/device_main.c