[PATCH] staging: android: ion: fix err_cast.cocci warnings

kbuild test robot
2019-03-30T13:09:59Z

From: kbuild test robot <lkp@intel.com>

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

Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

Generated by: scripts/coccinelle/api/err_cast.cocci

Fixes: d51f182d188a ("staging: android: ion: refactory ion_alloc for kernel driver use")
CC: Zeng Tao <prime.zeng@hisilicon.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
---

url: https://github.com/0day-ci/linux/commits/Zeng-Tao/staging-android-ion-refactory-ion_alloc-for-kernel-driver-use/20190330-071409

ion.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -424,7 +424,7 @@ struct dma_buf *ion_alloc(size_t len, un
return ERR_PTR(-ENODEV);

if (IS_ERR(buffer))
- return ERR_PTR(PTR_ERR(buffer));
+ return ERR_CAST(buffer);

exp_info.ops = &dma_buf_ops;
exp_info.size = buffer->size;