From: Takashi Iwai tiwai@suse.de
commit 2757970f6d0d0a112247600b23d38c0c728ceeb3 upstream.
The node obtained from of_find_node_by_path() has to be unreferenced after the use, but we forgot it for the root node.
Fixes: f0fba2ad1b6b ("ASoC: multi-component - ASoC Multi-Component Support") Cc: Timur Tabi timur@kernel.org Cc: Nicolin Chen nicoleotsuka@gmail.com Cc: Xiubo Li Xiubo.Lee@gmail.com Cc: Fabio Estevam festevam@gmail.com Signed-off-by: Takashi Iwai tiwai@suse.de Acked-by: Nicolin Chen nicoleotsuka@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- sound/soc/fsl/fsl_ssi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -1374,6 +1374,7 @@ static int fsl_ssi_probe(struct platform struct fsl_ssi_private *ssi_private; int ret = 0; struct device_node *np = pdev->dev.of_node; + struct device_node *root; const struct of_device_id *of_id; const char *p, *sprop; const uint32_t *iprop; @@ -1510,7 +1511,9 @@ static int fsl_ssi_probe(struct platform * device tree. We also pass the address of the CPU DAI driver * structure. */ - sprop = of_get_property(of_find_node_by_path("/"), "compatible", NULL); + root = of_find_node_by_path("/"); + sprop = of_get_property(root, "compatible", NULL); + of_node_put(root); /* Sometimes the compatible name has a "fsl," prefix, so we strip it. */ p = strrchr(sprop, ','); if (p)