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tracing: Fix a NULL vs IS_ERR() bug in event_subsystem_dir()

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The eventfs_create_dir() function returns error pointers, it never returns
NULL.  Update the check to reflect that.

Link: https://lore.kernel.org/linux-trace-kernel/[email protected]

Cc: Masami Hiramatsu <[email protected]>
Fixes: 5790b1fb3d ("eventfs: Remove eventfs_file and just use eventfs_inode")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
This commit is contained in:
Dan Carpenter authored and Steven Rostedt (Google) committed 2023-10-20 10:04:25 -04:00
1 parent 7e8ad67c9b
commit 5264a2f4bb
1 file changed
+1 -1
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kernel/trace/trace_events.c
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@@ -2354,7 +2354,7 @@ event_subsystem_dir(struct trace_array *tr, const char *name,
nr_entries = ARRAY_SIZE(system_entries);
ei = eventfs_create_dir(name, parent, system_entries, nr_entries, dir);
if (!ei) {
if (IS_ERR(ei)) {
pr_warn("Failed to create system directory %s\n", name);
__put_system(system);
goto out_free;