[PATCH] staging: android: ion: refactory ion_alloc for kernel driver use

[kbuild test robot]

Hi Zeng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v5.1-rc2 next-20190329]
[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/Zeng-Tao/staging-android-ion-refactory-ion_alloc-for-kernel-driver-use/20190330-071409


coccinelle warnings: (new ones prefixed by >>)

>> drivers/staging/android/ion/ion.c:427:9-16: WARNING: ERR_CAST can be used with buffer

Please review and possibly fold the followup patch.

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