diff options
| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2022-08-11 19:51:18 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-08-12 17:40:15 -0500 |
| commit | 7eb59a98701d3113671b513593bb489cc76f58d2 (patch) | |
| tree | 307b4338c95b6a53760256c015d3ecdf4b898075 /fs/cifs/smb2ops.c | |
| parent | a63ec83c462b5b1439f71ace751e8985dfb3fcab (diff) | |
| download | linux-7eb59a98701d3113671b513593bb489cc76f58d2.tar.bz2 | |
cifs: Do not access tcon->cfids->cfid directly from is_path_accessible
cfids will soon keep a list of cached fids so we should not access this
directly from outside of cached_dir.c
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 6507761a8040..f406af596887 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -720,7 +720,7 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon, oparms.fid = &fid; oparms.reconnect = false; - rc = open_cached_dir(xid, tcon, "", cifs_sb, &cfid); + rc = open_cached_dir(xid, tcon, "", cifs_sb, false, &cfid); if (rc == 0) memcpy(&fid, &cfid->fid, sizeof(struct cifs_fid)); else @@ -783,9 +783,16 @@ smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; struct cifs_open_parms oparms; struct cifs_fid fid; + struct cached_fid *cfid; - if ((*full_path == 0) && tcon->cfid->is_valid) - return 0; + rc = open_cached_dir(xid, tcon, full_path, cifs_sb, true, &cfid); + if (!rc) { + if (cfid->is_valid) { + close_cached_dir(cfid); + return 0; + } + close_cached_dir(cfid); + } utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); if (!utf16_path) @@ -2430,8 +2437,12 @@ smb2_query_info_compound(const unsigned int xid, struct cifs_tcon *tcon, resp_buftype[0] = resp_buftype[1] = resp_buftype[2] = CIFS_NO_BUFFER; memset(rsp_iov, 0, sizeof(rsp_iov)); + /* + * We can only call this for things we know are directories. + */ if (!strcmp(path, "")) - open_cached_dir(xid, tcon, path, cifs_sb, &cfid); /* cfid null if open dir failed */ + open_cached_dir(xid, tcon, path, cifs_sb, false, + &cfid); /* cfid null if open dir failed */ memset(&open_iov, 0, sizeof(open_iov)); rqst[0].rq_iov = open_iov; |