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-rw-r--r--kernel/dma/swiotlb.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 13f0cb080a4d..62fa5a82a065 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -696,29 +696,12 @@ bool is_swiotlb_active(void)
static int __init swiotlb_create_debugfs(void)
{
- struct dentry *d_swiotlb_usage;
- struct dentry *ent;
-
- d_swiotlb_usage = debugfs_create_dir("swiotlb", NULL);
-
- if (!d_swiotlb_usage)
- return -ENOMEM;
-
- ent = debugfs_create_ulong("io_tlb_nslabs", 0400,
- d_swiotlb_usage, &io_tlb_nslabs);
- if (!ent)
- goto fail;
-
- ent = debugfs_create_ulong("io_tlb_used", 0400,
- d_swiotlb_usage, &io_tlb_used);
- if (!ent)
- goto fail;
+ struct dentry *root;
+ root = debugfs_create_dir("swiotlb", NULL);
+ debugfs_create_ulong("io_tlb_nslabs", 0400, root, &io_tlb_nslabs);
+ debugfs_create_ulong("io_tlb_used", 0400, root, &io_tlb_used);
return 0;
-
-fail:
- debugfs_remove_recursive(d_swiotlb_usage);
- return -ENOMEM;
}
late_initcall(swiotlb_create_debugfs);