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

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.

Tiezhu Yang committed 6 years ago

Commit 94035ed1 parent bf6e2d51 file · +0 −3Browse files

Showing the changes to kernel (1 of 1 file). Show all

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kernel/dma/pool.c+0−3

@@ -38,9 +38,6 @@ static void __init dma_atomic_pool_debugfs_init(void) · 37 unmodified lines
38	struct dentry *root;	38	struct dentry *root;
39		39
40	root = debugfs_create_dir("dma_pools", NULL);	40	root = debugfs_create_dir("dma_pools", NULL);
41	if (IS_ERR_OR_NULL(root))
42	return;
43
44	debugfs_create_ulong("pool_size_dma", 0400, root, &pool_size_dma);	41	debugfs_create_ulong("pool_size_dma", 0400, root, &pool_size_dma);
45	debugfs_create_ulong("pool_size_dma32", 0400, root, &pool_size_dma32);	42	debugfs_create_ulong("pool_size_dma32", 0400, root, &pool_size_dma32);
46	debugfs_create_ulong("pool_size_kernel", 0400, root, &pool_size_kernel);	43	debugfs_create_ulong("pool_size_kernel", 0400, root, &pool_size_kernel);

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

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