From 647f592734a033b7f23865190de5df05e50381d0 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Fri, 18 Jun 2021 12:02:32 +0800 Subject: [PATCH] cifs: convert list_for_each to entry variant in smb2misc.c convert list_for_each() to list_for_each_entry() where applicable. Reported-by: Hulk Robot Signed-off-by: Baokun Li Signed-off-by: Steve French --- fs/cifs/smb2misc.c | 33 ++++++++------------------------- 1 file changed, 8 insertions(+), 25 deletions(-) diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index 06d555d4da9a..aba048153f79 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -164,12 +164,10 @@ smb2_check_message(char *buf, unsigned int len, struct TCP_Server_Info *srvr) struct smb2_transform_hdr *thdr = (struct smb2_transform_hdr *)buf; struct cifs_ses *ses = NULL; - struct list_head *tmp; /* decrypt frame now that it is completely read in */ spin_lock(&cifs_tcp_ses_lock); - list_for_each(tmp, &srvr->smb_ses_list) { - ses = list_entry(tmp, struct cifs_ses, smb_ses_list); + list_for_each_entry(ses, &srvr->smb_ses_list, smb_ses_list) { if (ses->Suid == thdr->SessionId) break; @@ -548,7 +546,6 @@ static bool smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp) { __u8 lease_state; - struct list_head *tmp; struct cifsFileInfo *cfile; struct cifsInodeInfo *cinode; int ack_req = le32_to_cpu(rsp->Flags & @@ -556,8 +553,7 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp) lease_state = le32_to_cpu(rsp->NewLeaseState); - list_for_each(tmp, &tcon->openFileList) { - cfile = list_entry(tmp, struct cifsFileInfo, tlist); + list_for_each_entry(cfile, &tcon->openFileList, tlist) { cinode = CIFS_I(d_inode(cfile->dentry)); if (memcmp(cinode->lease_key, rsp->LeaseKey, @@ -618,7 +614,6 @@ static bool smb2_is_valid_lease_break(char *buffer) { struct smb2_lease_break *rsp = (struct smb2_lease_break *)buffer; - struct list_head *tmp, *tmp1, *tmp2; struct TCP_Server_Info *server; struct cifs_ses *ses; struct cifs_tcon *tcon; @@ -628,15 +623,9 @@ smb2_is_valid_lease_break(char *buffer) /* look up tcon based on tid & uid */ spin_lock(&cifs_tcp_ses_lock); - list_for_each(tmp, &cifs_tcp_ses_list) { - server = list_entry(tmp, struct TCP_Server_Info, tcp_ses_list); - - list_for_each(tmp1, &server->smb_ses_list) { - ses = list_entry(tmp1, struct cifs_ses, smb_ses_list); - - list_for_each(tmp2, &ses->tcon_list) { - tcon = list_entry(tmp2, struct cifs_tcon, - tcon_list); + list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) { + list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { + list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { spin_lock(&tcon->open_file_lock); cifs_stats_inc( &tcon->stats.cifs_stats.num_oplock_brks); @@ -687,7 +676,6 @@ bool smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) { struct smb2_oplock_break *rsp = (struct smb2_oplock_break *)buffer; - struct list_head *tmp, *tmp1, *tmp2; struct cifs_ses *ses; struct cifs_tcon *tcon; struct cifsInodeInfo *cinode; @@ -710,16 +698,11 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) /* look up tcon based on tid & uid */ spin_lock(&cifs_tcp_ses_lock); - list_for_each(tmp, &server->smb_ses_list) { - ses = list_entry(tmp, struct cifs_ses, smb_ses_list); - - list_for_each(tmp1, &ses->tcon_list) { - tcon = list_entry(tmp1, struct cifs_tcon, tcon_list); + list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { + list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { spin_lock(&tcon->open_file_lock); - list_for_each(tmp2, &tcon->openFileList) { - cfile = list_entry(tmp2, struct cifsFileInfo, - tlist); + list_for_each_entry(cfile, &tcon->openFileList, tlist) { if (rsp->PersistentFid != cfile->fid.persistent_fid || rsp->VolatileFid !=