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authorStephan Gerhold <stephan@gerhold.net>2019-07-22 15:03:52 +0200
committerMark Brown <broonie@kernel.org>2019-07-23 12:16:29 +0100
commit8201f11a1f75e3aa7d5327d0b1d8cb544aeaa62f (patch)
tree78c483b107c55324164cbec33f363f19f95b9c7d /sound
parent45004d66f2a28d78f543fb2ffbc133e31dc2d162 (diff)
downloadlinux-8201f11a1f75e3aa7d5327d0b1d8cb544aeaa62f.tar.bz2
ASoC: qcom: apq8016_sbc: Fix oops with multiple DAI links
apq8016_sbc_parse_of() sets up multiple DAI links, depending on the number of nodes in the device tree. However, at the moment CPU and platform components are only allocated for the first link. This causes an oops when more than one link is defined: Internal error: Oops: 96000044 [#1] SMP CPU: 0 PID: 1015 Comm: kworker/0:2 Not tainted 5.3.0-rc1 #4 Call trace: apq8016_sbc_platform_probe+0x1a8/0x3f0 platform_drv_probe+0x50/0xa0 ... Move the allocation inside the loop to ensure that each link is properly initialized. Fixes: 98b232ca9e0e ("ASoC: qcom: apq8016_sbc: use modern dai_link style") Signed-off-by: Stephan Gerhold <stephan@gerhold.net> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/20190722130352.95874-1-stephan@gerhold.net Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/qcom/apq8016_sbc.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index f60a71990f66..ac75838bbfab 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -150,17 +150,17 @@ static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card)
link = data->dai_link;
- dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL);
- if (!dlc)
- return ERR_PTR(-ENOMEM);
+ for_each_child_of_node(node, np) {
+ dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL);
+ if (!dlc)
+ return ERR_PTR(-ENOMEM);
- link->cpus = &dlc[0];
- link->platforms = &dlc[1];
+ link->cpus = &dlc[0];
+ link->platforms = &dlc[1];
- link->num_cpus = 1;
- link->num_platforms = 1;
+ link->num_cpus = 1;
+ link->num_platforms = 1;
- for_each_child_of_node(node, np) {
cpu = of_get_child_by_name(np, "cpu");
codec = of_get_child_by_name(np, "codec");