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authorWan Jiabing2021-10-13 02:34:41 -0400
committerJoerg Roedel2021-10-18 13:35:24 +0200
commit260aecd643fc129c1771cefdd2aaaedf0485fa59 (patch)
treec0feabc5a34a56e73783ea3c737062891b8092e1 /drivers/iommu
parent9e1ff307c779ce1f0f810c7ecce3d95bbae40896 (diff)
iommu/dart: Use kmemdup instead of kzalloc and memcpy
Fix following coccicheck warning: drivers/iommu/apple-dart.c:704:20-27: WARNING opportunity for kmemdup Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Acked-by: Sven Peter <sven@svenpeter.dev> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Link: https://lore.kernel.org/r/20211013063441.29888-1-wanjiabing@vivo.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/apple-dart.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c
index fdfa39ec2a4d..13ba258b7413 100644
--- a/drivers/iommu/apple-dart.c
+++ b/drivers/iommu/apple-dart.c
@@ -702,13 +702,12 @@ static struct iommu_group *apple_dart_device_group(struct device *dev)
if (!group)
goto out;
- group_master_cfg = kzalloc(sizeof(*group_master_cfg), GFP_KERNEL);
+ group_master_cfg = kmemdup(cfg, sizeof(*group_master_cfg), GFP_KERNEL);
if (!group_master_cfg) {
iommu_group_put(group);
goto out;
}
- memcpy(group_master_cfg, cfg, sizeof(*group_master_cfg));
iommu_group_set_iommudata(group, group_master_cfg,
apple_dart_release_group);