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| author | Dan Carpenter <dan.carpenter@linaro.org> | 2023-10-20 16:52:45 +0300 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-10-20 10:04:25 -0400 |
| commit | 5264a2f4bb3baf712e19f1f053caaa8d7d3afa2e (patch) | |
| tree | 02c54f140d0b7624d7ac6f60b6002acf3a811779 /kernel/trace/trace_events.c | |
| parent | 7e8ad67c9b5c11e990c320ed7e7563f2301672a7 (diff) | |
| download | linux-stable-5264a2f4bb3baf712e19f1f053caaa8d7d3afa2e.tar.gz linux-stable-5264a2f4bb3baf712e19f1f053caaa8d7d3afa2e.tar.bz2 linux-stable-5264a2f4bb3baf712e19f1f053caaa8d7d3afa2e.zip | |
tracing: Fix a NULL vs IS_ERR() bug in event_subsystem_dir()
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/ff641474-84e2-46a7-9d7a-62b251a1050c@moroto.mountain
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 5790b1fb3d67 ("eventfs: Remove eventfs_file and just use eventfs_inode")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index db46d2116500..f9e3e24d8796 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -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; |