5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Namjae Jeon <linkinjeon@xxxxxxxxxx>
[ Upstream commit df14afeed2e6c1bbadef7d2f9c46887bbd6d8d94 ]
There is a case that file_present is true and path is uninitialized.
This patch change file_present is set to false by default and set to
true when patch is initialized.
Fixes: 74d7970febf7 ("ksmbd: fix racy issue from using ->d_parent and ->d_name")
Reported-by: Coverity Scan <scan-admin@xxxxxxxxxxxx>
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ksmbd/smb2pdu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -5529,7 +5529,7 @@ static int smb2_create_link(struct ksmbd
{
char *link_name = NULL, *target_name = NULL, *pathname = NULL;
struct path path;
- bool file_present = true;
+ bool file_present = false;
int rc;
if (buf_len < (u64)sizeof(struct smb2_file_link_info) +
@@ -5562,8 +5562,8 @@ static int smb2_create_link(struct ksmbd
if (rc) {
if (rc != -ENOENT)
goto out;
- file_present = false;
- }
+ } else
+ file_present = true;
if (file_info->ReplaceIfExists) {
if (file_present) {
