Messages in this thread Patch in this message | | | From | Chuhong Yuan <> | Subject | [PATCH] ALSA: echoaudio: Replace kmalloc + memcpy with kmemdup | Date | Thu, 25 Jul 2019 10:09:24 +0800 |
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Instead of using kmalloc + memcpy, use kmemdup to simplify the code.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com> --- sound/pci/echoaudio/echoaudio.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index b612a536a5a1..ca9125726be2 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -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) { -- 2.20.1
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