| Message ID | 20170615055311.8049-1-christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Christophe,
[auto build test ERROR on rockchip/for-next]
[also build test ERROR on v4.12-rc5 next-20170615]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Christophe-JAILLET/ASoC-rockchip-Fix-an-error-handling-in-rockchip_i2s_probe/20170615-184817
base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=xtensa
All errors (new ones prefixed by >>):
sound/soc//rockchip/rockchip_i2s.c: In function 'rockchip_i2s_probe':
>> sound/soc//rockchip/rockchip_i2s.c:619:11: error: expected ')' before 'sizeof'
sizeof(*soc_dai), GFP_KERNEL);
^
>> sound/soc//rockchip/rockchip_i2s.c:618:12: error: too few arguments to function 'devm_kmemdup'
soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai
^
In file included from include/linux/gpio/driver.h:4:0,
from include/asm-generic/gpio.h:12,
from include/linux/gpio.h:51,
from include/linux/of_gpio.h:20,
from sound/soc//rockchip/rockchip_i2s.c:16:
include/linux/device.h:684:14: note: declared here
extern void *devm_kmemdup(struct device *dev, const void *src, size_t len,
^
>> sound/soc//rockchip/rockchip_i2s.c:621:3: error: 'err' undeclared (first use in this function)
err = -ENOMEM;
^
sound/soc//rockchip/rockchip_i2s.c:621:3: note: each undeclared identifier is reported only once for each function it appears in
vim +/devm_kmemdup +618 sound/soc//rockchip/rockchip_i2s.c
612 if (!pm_runtime_enabled(&pdev->dev)) {
613 ret = i2s_runtime_resume(&pdev->dev);
614 if (ret)
615 goto err_pm_disable;
616 }
617
> 618 soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai
> 619 sizeof(*soc_dai), GFP_KERNEL);
620 if (!soc_dai) {
> 621 err = -ENOMEM;
622 goto err_pm_disable;
623 }
624
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index af5e0da144f7..f3aa3dfe914b 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -643,12 +643,13 @@ static int rockchip_i2s_probe(struct platform_device *pdev) goto err_pm_disable; } - soc_dai = devm_kzalloc(&pdev->dev, + soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai sizeof(*soc_dai), GFP_KERNEL); - if (!soc_dai) - return -ENOMEM; + if (!soc_dai) { + err = -ENOMEM; + goto err_pm_disable; + } - memcpy(soc_dai, &rockchip_i2s_dai, sizeof(*soc_dai)); if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) { if (val >= 2 && val <= 8) soc_dai->playback.channels_max = val;
If this memory allocation fail, we must disable what has been enabled. Do not return immediately but go thrue the error handling path instead. Also use 'devm_kmemdup' instead of 'devm_kzalloc+memcpy' to simplify code. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- sound/soc/rockchip/rockchip_i2s.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)