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ALSA: echoaudio: Replace kmalloc + memcpy with kmemdup

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Instead of using kmalloc + memcpy, use kmemdup
to simplify the code.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Chuhong Yuan 2019-07-25 10:09:24 +08:00 committed by Takashi Iwai
parent a30f1743e4
commit 5e291a9088
1 changed files with 2 additions and 3 deletions
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5
sound/pci/echoaudio/echoaudio.c
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@ -2189,11 +2189,10 @@ static int snd_echo_resume(struct device *dev)
u32 pipe_alloc_mask;
int err;
commpage_bak = kmalloc(sizeof(*commpage), GFP_KERNEL);
commpage = chip->comm_page;
commpage_bak = kmemdup(commpage, sizeof(*commpage), GFP_KERNEL);
if (commpage_bak == NULL)
return -ENOMEM;
commpage = chip->comm_page;
memcpy(commpage_bak, commpage, sizeof(*commpage));
err = init_hw(chip, chip->pci->device, chip->pci->subsystem_device);
if (err < 0) {