From: Winston Wen wentao@uniontech.com
commit 66be5c48ee1b5b8c919cc329fe6d32e16badaa40 upstream.
Chech the session state and skip it if it's exiting.
Signed-off-by: Winston Wen wentao@uniontech.com Reviewed-by: Shyam Prasad N sprasad@microsoft.com Cc: stable@vger.kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/smb/client/smb2transport.c | 7 +++++++ 1 file changed, 7 insertions(+)
--- a/fs/smb/client/smb2transport.c +++ b/fs/smb/client/smb2transport.c @@ -153,7 +153,14 @@ smb2_find_smb_ses_unlocked(struct TCP_Se list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) { if (ses->Suid != ses_id) continue; + + spin_lock(&ses->ses_lock); + if (ses->ses_status == SES_EXITING) { + spin_unlock(&ses->ses_lock); + continue; + } ++ses->ses_count; + spin_unlock(&ses->ses_lock); return ses; }