A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-12 07:37:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

mtd: nand: sunxi: fix return value check in sunxi_nfc_dma_op_prepare()

Browse source 
In case of error, the function dmaengine_prep_slave_sg() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Fixes: 614049a8d9 ("mtd: nand: sunxi: add support for DMA assisted operations")
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Wei Yongjun 2016-06-13 14:27:18 +00:00 • committed by Boris Brezillon
commit 28f3d01eca
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/mtd/nand/sunxi_nand.c
View file

@ -390,8 +390,8 @@ static int sunxi_nfc_dma_op_prepare(struct mtd_info *mtd, const void *buf,
return -ENOMEM;
dmad = dmaengine_prep_slave_sg(nfc->dmac, sg, 1, tdir, DMA_CTRL_ACK);
if (IS_ERR(dmad)) {
ret = PTR_ERR(dmad);
if (!dmad) {
ret = -EINVAL;
goto err_unmap_buf;
}