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-rw-r--r--fs/smb/client/ioctl.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c
index e2f92c21ff..682eabdd1d 100644
--- a/fs/smb/client/ioctl.c
+++ b/fs/smb/client/ioctl.c
@@ -247,7 +247,9 @@ static int cifs_dump_full_key(struct cifs_tcon *tcon, struct smb3_full_key_debug
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(server_it, &cifs_tcp_ses_list, tcp_ses_list) {
list_for_each_entry(ses_it, &server_it->smb_ses_list, smb_ses_list) {
- if (ses_it->Suid == out.session_id) {
+ spin_lock(&ses_it->ses_lock);
+ if (ses_it->ses_status != SES_EXITING &&
+ ses_it->Suid == out.session_id) {
ses = ses_it;
/*
* since we are using the session outside the crit
@@ -255,9 +257,11 @@ static int cifs_dump_full_key(struct cifs_tcon *tcon, struct smb3_full_key_debug
* so increment its refcount
*/
cifs_smb_ses_inc_refcount(ses);
+ spin_unlock(&ses_it->ses_lock);
found = true;
goto search_end;
}
+ spin_unlock(&ses_it->ses_lock);
}
}
search_end: