| Message ID | 20220930144936.2882481-1-pierre.gondois@arm.com |
|---|---|
| State | New |
| Headers | show |
| Series | of: base: Shift refcount decrement in of_find_last_cache_level() | expand |
On Fri, 30 Sep 2022 16:49:36 +0200, Pierre Gondois wrote: > Currently, of_find_next_cache_node() and of_property_read_u32() > are called on objects after their refcount have been decremented. > Re-order the calls to decrement the refcount after the function > calls. > > Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> > --- > drivers/of/base.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > Applied, thanks!
diff --git a/drivers/of/base.c b/drivers/of/base.c index 7fa960bd3df1..227819768c6e 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -2088,12 +2088,13 @@ int of_find_last_cache_level(unsigned int cpu) struct device_node *prev = NULL, *np = of_cpu_device_node_get(cpu); while (np) { + of_node_put(prev); prev = np; - of_node_put(np); np = of_find_next_cache_node(np); } of_property_read_u32(prev, "cache-level", &cache_level); + of_node_put(prev); return cache_level; }
Currently, of_find_next_cache_node() and of_property_read_u32() are called on objects after their refcount have been decremented. Re-order the calls to decrement the refcount after the function calls. Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> --- drivers/of/base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)