mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-03 23:58:05 +00:00
tty: serial: Fix refcount leak bug in ucc_uart.c
[ Upstream commit d24d7bb2cd
]
In soc_info(), of_find_node_by_type() will return a node pointer
with refcount incremented. We should use of_node_put() when it is
not used anymore.
Acked-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220618060850.4058525-1-windhl@126.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
952b3dc02b
commit
ec56f886f3
1 changed files with 2 additions and 0 deletions
|
@ -1143,6 +1143,8 @@ static unsigned int soc_info(unsigned int *rev_h, unsigned int *rev_l)
|
||||||
/* No compatible property, so try the name. */
|
/* No compatible property, so try the name. */
|
||||||
soc_string = np->name;
|
soc_string = np->name;
|
||||||
|
|
||||||
|
of_node_put(np);
|
||||||
|
|
||||||
/* Extract the SOC number from the "PowerPC," string */
|
/* Extract the SOC number from the "PowerPC," string */
|
||||||
if ((sscanf(soc_string, "PowerPC,%u", &soc) != 1) || !soc)
|
if ((sscanf(soc_string, "PowerPC,%u", &soc) != 1) || !soc)
|
||||||
return 0;
|
return 0;
|
||||||
|
|
Loading…
Reference in a new issue