From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
[ Upstream commit ec3042ad39d4e2ddbc3a3344f90bb10d8feb53bc ]
commit c152f8491a8d9 ("ASoC: audio-graph-card: fix an use-after-free in graph_get_dai_id()") fixups use-after-free issue, but, it need to use "const" for reg. This patch adds it.
We will have below without this patch
LINUX/sound/soc/generic/audio-graph-card.c: In function 'graph_get_dai_id': LINUX/sound/soc/generic/audio-graph-card.c:87:7: warning: assignment discards\ 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] reg = of_get_property(node, "reg", NULL);
Fixes: c152f8491a8d9 ("ASoC: audio-graph-card: fix an use-after-free in graph_get_dai_id()") Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Acked-by: Wen Yang wen.yang99@zte.com.cn Link: https://lore.kernel.org/r/87sgrd43ja.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/generic/audio-graph-card.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index a681ea443fc16..6398741ebd0ef 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -63,7 +63,7 @@ static int graph_get_dai_id(struct device_node *ep) struct device_node *endpoint; struct of_endpoint info; int i, id; - u32 *reg; + const u32 *reg; int ret;
/* use driver specified DAI ID if exist */