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authorShen Lichuan <shenlichuan@vivo.com>2024-08-26 07:44:02 +0200
committerMark Brown <broonie@kernel.org>2024-08-26 16:52:35 +0200
commit69a8d0edb9d78bb5515133b7c08f399d6eaff37a (patch)
tree9ffe710a62b44505f4d36792a014d41c399bca23 /sound/soc/sof
parentASoC: MAINTAINERS: Drop incorrect tlv320aic31xx.txt path (diff)
downloadlinux-69a8d0edb9d78bb5515133b7c08f399d6eaff37a.tar.xz
linux-69a8d0edb9d78bb5515133b7c08f399d6eaff37a.zip
ASoC: SOF: topology: Use kmemdup_array instead of kmemdup for multiple allocation
Let the kmemdup_array() take care about multiplication and possible overflows. Using kmemdup_array() is more appropriate and makes the code easier to audit. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Link: https://patch.msgid.link/20240826054402.58396-1-shenlichuan@vivo.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof')
-rw-r--r--sound/soc/sof/topology.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index b54382131991..996c3234eaee 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1349,7 +1349,7 @@ static int sof_parse_pin_binding(struct snd_sof_widget *swidget,
/* copy pin binding array to swidget only if it is defined in topology */
if (pin_binding[0]) {
- pb = kmemdup(pin_binding, num_pins * sizeof(char *), GFP_KERNEL);
+ pb = kmemdup_array(pin_binding, num_pins, sizeof(char *), GFP_KERNEL);
if (!pb) {
ret = -ENOMEM;
goto err;
@@ -1889,9 +1889,9 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
return -ENOMEM;
slink->num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
- slink->hw_configs = kmemdup(cfg->hw_config,
- sizeof(*slink->hw_configs) * slink->num_hw_configs,
- GFP_KERNEL);
+ slink->hw_configs = kmemdup_array(cfg->hw_config,
+ slink->num_hw_configs, sizeof(*slink->hw_configs),
+ GFP_KERNEL);
if (!slink->hw_configs) {
kfree(slink);
return -ENOMEM;