| Message ID | 20240407080000.673435-5-huangchenghai2@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
| Series | crypto: hisilicon - Optimize and fix some driver processes | expand |
diff --git a/drivers/crypto/hisilicon/debugfs.c b/drivers/crypto/hisilicon/debugfs.c index 6351a452878d..e9fa42381242 100644 --- a/drivers/crypto/hisilicon/debugfs.c +++ b/drivers/crypto/hisilicon/debugfs.c @@ -1090,12 +1090,12 @@ static void qm_create_debugfs_file(struct hisi_qm *qm, struct dentry *dir, { struct debugfs_file *file = qm->debug.files + index; - debugfs_create_file(qm_debug_file_name[index], 0600, dir, file, - &qm_debug_fops); - file->index = index; mutex_init(&file->lock); file->debug = &qm->debug; + + debugfs_create_file(qm_debug_file_name[index], 0600, dir, file, + &qm_debug_fops); } static int qm_debugfs_atomic64_set(void *data, u64 val)
There is a scenario where the file directory is created but the file attribute is not set. In this case, if a user accesses the file, an error occurs. So adjust the processing logic in the debugfs creation to prevent the file from being accessed before the file attributes such as the index are set. Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com> --- drivers/crypto/hisilicon/debugfs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)