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dma-pool: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Tiezhu Yang 2020-11-07 18:03:12 +08:00 committed by Christoph Hellwig
parent bf6e2d562b
commit 94035edcb4
1 changed files with 0 additions and 3 deletions
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3
kernel/dma/pool.c
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@ -38,9 +38,6 @@ static void __init dma_atomic_pool_debugfs_init(void)
struct dentry *root;
root = debugfs_create_dir("dma_pools", NULL);
if (IS_ERR_OR_NULL(root))
return;
debugfs_create_ulong("pool_size_dma", 0400, root, &pool_size_dma);
debugfs_create_ulong("pool_size_dma32", 0400, root, &pool_size_dma32);
debugfs_create_ulong("pool_size_kernel", 0400, root, &pool_size_kernel);