From 68d9787bdd5cbfa76e795c4015f8d58b84955a01 Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Tue, 29 Mar 2022 21:16:16 +0530 Subject: [PATCH] remoteproc: Don't bother checking the return value of debugfs_create* DebugFS APIs are designed to return only the error pointers and not NULL in the case of failure. So these return pointers are safe to be passed on to the successive debugfs_create* APIs. Therefore, let's just get rid of the checks. Signed-off-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/20220329154616.58902-1-manivannan.sadhasivam@linaro.org Signed-off-by: Mathieu Poirier --- drivers/remoteproc/remoteproc_core.c | 4 ---- drivers/remoteproc/remoteproc_debugfs.c | 17 ++--------------- 2 files changed, 2 insertions(+), 19 deletions(-) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index c510125769b9..3c8382f66ce2 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -684,10 +684,6 @@ static int rproc_handle_trace(struct rproc *rproc, void *ptr, /* create the debugfs entry */ trace->tfile = rproc_create_trace_file(name, rproc, trace); - if (!trace->tfile) { - kfree(trace); - return -EINVAL; - } list_add_tail(&trace->node, &rproc->traces); diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index 581930483ef8..b86c1d09c70c 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -386,16 +386,8 @@ void rproc_remove_trace_file(struct dentry *tfile) struct dentry *rproc_create_trace_file(const char *name, struct rproc *rproc, struct rproc_debug_trace *trace) { - struct dentry *tfile; - - tfile = debugfs_create_file(name, 0400, rproc->dbg_dir, trace, + return debugfs_create_file(name, 0400, rproc->dbg_dir, trace, &trace_rproc_ops); - if (!tfile) { - dev_err(&rproc->dev, "failed to create debugfs trace entry\n"); - return NULL; - } - - return tfile; } void rproc_delete_debug_dir(struct rproc *rproc) @@ -411,8 +403,6 @@ void rproc_create_debug_dir(struct rproc *rproc) return; rproc->dbg_dir = debugfs_create_dir(dev_name(dev), rproc_dbg); - if (!rproc->dbg_dir) - return; debugfs_create_file("name", 0400, rproc->dbg_dir, rproc, &rproc_name_ops); @@ -430,11 +420,8 @@ void rproc_create_debug_dir(struct rproc *rproc) void __init rproc_init_debugfs(void) { - if (debugfs_initialized()) { + if (debugfs_initialized()) rproc_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (!rproc_dbg) - pr_err("can't create debugfs dir\n"); - } } void __exit rproc_exit_debugfs(void)