| Message ID | 20220509234207.2469586-4-lsahlber@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/4] cifs: move definition of cifs_fattr earlier in cifsglob.h | expand |
tentatively merged the first 3 of the series (still looking at patch 4) pending testing On Mon, May 9, 2022 at 6:42 PM Ronnie Sahlberg <lsahlber@redhat.com> wrote: > > This enforces that we can only do this for directories and not normal files > or else the server will return an error. > This means that we will have conditionally check IF the path refers > to a directory or not in all the call-sites where we are unsure. > Right now this check is for "" i.e. root. > > Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> > Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de> > Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> > --- > fs/cifs/smb2inode.c | 5 ++++- > fs/cifs/smb2ops.c | 5 +++-- > 2 files changed, 7 insertions(+), 3 deletions(-) > > diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c > index fe5bfa245fa7..0c3e4d2c6207 100644 > --- a/fs/cifs/smb2inode.c > +++ b/fs/cifs/smb2inode.c > @@ -514,8 +514,11 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, > if (smb2_data == NULL) > return -ENOMEM; > > + if (strcmp(full_path, "")) > + rc = -ENOENT; > + else > + rc = open_cached_dir(xid, tcon, full_path, cifs_sb, &cfid); > /* If it is a root and its handle is cached then use it */ > - rc = open_cached_dir(xid, tcon, full_path, cifs_sb, &cfid); > if (!rc) { > if (tcon->crfid.file_all_info_is_valid) { > move_smb2_info_to_cifs(data, > diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c > index 2c93ee27d54d..cbe56ed35694 100644 > --- a/fs/cifs/smb2ops.c > +++ b/fs/cifs/smb2ops.c > @@ -825,7 +825,7 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, > rqst[0].rq_nvec = SMB2_CREATE_IOV_SIZE; > > oparms.tcon = tcon; > - oparms.create_options = cifs_create_options(cifs_sb, 0); > + oparms.create_options = cifs_create_options(cifs_sb, CREATE_NOT_FILE); > oparms.desired_access = FILE_READ_ATTRIBUTES; > oparms.disposition = FILE_OPEN; > oparms.fid = pfid; > @@ -2696,7 +2696,8 @@ 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)); > > - rc = open_cached_dir(xid, tcon, path, cifs_sb, &cfid); > + if (!strcmp(path, "")) > + rc = open_cached_dir(xid, tcon, path, cifs_sb, &cfid); > > memset(&open_iov, 0, sizeof(open_iov)); > rqst[0].rq_iov = open_iov; > -- > 2.30.2 >
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index fe5bfa245fa7..0c3e4d2c6207 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -514,8 +514,11 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, if (smb2_data == NULL) return -ENOMEM; + if (strcmp(full_path, "")) + rc = -ENOENT; + else + rc = open_cached_dir(xid, tcon, full_path, cifs_sb, &cfid); /* If it is a root and its handle is cached then use it */ - rc = open_cached_dir(xid, tcon, full_path, cifs_sb, &cfid); if (!rc) { if (tcon->crfid.file_all_info_is_valid) { move_smb2_info_to_cifs(data, diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 2c93ee27d54d..cbe56ed35694 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -825,7 +825,7 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, rqst[0].rq_nvec = SMB2_CREATE_IOV_SIZE; oparms.tcon = tcon; - oparms.create_options = cifs_create_options(cifs_sb, 0); + oparms.create_options = cifs_create_options(cifs_sb, CREATE_NOT_FILE); oparms.desired_access = FILE_READ_ATTRIBUTES; oparms.disposition = FILE_OPEN; oparms.fid = pfid; @@ -2696,7 +2696,8 @@ 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)); - rc = open_cached_dir(xid, tcon, path, cifs_sb, &cfid); + if (!strcmp(path, "")) + rc = open_cached_dir(xid, tcon, path, cifs_sb, &cfid); memset(&open_iov, 0, sizeof(open_iov)); rqst[0].rq_iov = open_iov;