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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-12 17:20:33 +0200
committerKees Cook <keescook@chromium.org>2019-07-08 21:04:42 -0700
commitfa1af7583e8012c471ee45d5b1703123fe45a9f3 (patch)
tree32fcbf0ce499a7c82d1d23d5f94c8c99bf6d3594
parent1614e92179abe91283fc397c37f6244fe0019072 (diff)
downloadblackbird-op-linux-fa1af7583e8012c471ee45d5b1703123fe45a9f3.tar.gz
blackbird-op-linux-fa1af7583e8012c471ee45d5b1703123fe45a9f3.zip
pstore: 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. Cc: Kees Cook <keescook@chromium.org> Cc: Anton Vorontsov <anton@enomsg.org> Cc: Colin Cross <ccross@android.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kees Cook <keescook@chromium.org>
-rw-r--r--fs/pstore/ftrace.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/fs/pstore/ftrace.c b/fs/pstore/ftrace.c
index 8e0a17ce3180..bfbfc2698070 100644
--- a/fs/pstore/ftrace.c
+++ b/fs/pstore/ftrace.c
@@ -112,27 +112,13 @@ static struct dentry *pstore_ftrace_dir;
void pstore_register_ftrace(void)
{
- struct dentry *file;
-
if (!psinfo->write)
return;
pstore_ftrace_dir = debugfs_create_dir("pstore", NULL);
- if (!pstore_ftrace_dir) {
- pr_err("%s: unable to create pstore directory\n", __func__);
- return;
- }
-
- file = debugfs_create_file("record_ftrace", 0600, pstore_ftrace_dir,
- NULL, &pstore_knob_fops);
- if (!file) {
- pr_err("%s: unable to create record_ftrace file\n", __func__);
- goto err_file;
- }
- return;
-err_file:
- debugfs_remove(pstore_ftrace_dir);
+ debugfs_create_file("record_ftrace", 0600, pstore_ftrace_dir, NULL,
+ &pstore_knob_fops);
}
void pstore_unregister_ftrace(void)
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