From: Tiezhu Yang Date: Sat, 7 Nov 2020 10:03:12 +0000 (+0800) Subject: dma-pool: no need to check return value of debugfs_create functions X-Git-Tag: microblaze-v5.12~43^2~3 X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=commitdiff_plain;h=94035edcb4e3bbc9f445bee706722ef64e044095 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. Signed-off-by: Tiezhu Yang Reviewed-by: Robin Murphy Signed-off-by: Christoph Hellwig --- diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c index d4637f72239b..5f84e6cdb78e 100644 --- a/kernel/dma/pool.c +++ b/kernel/dma/pool.c @@ -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);