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CIFS: Fix SMB2 readdir error handling
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
fs
/
cifs
/
smb1ops.c
diff --git
a/fs/cifs/smb1ops.c
b/fs/cifs/smb1ops.c
index
526fb89
..
e9ad8d3
100644
(file)
--- a/
fs/cifs/smb1ops.c
+++ b/
fs/cifs/smb1ops.c
@@
-372,6
+372,16
@@
coalesce_t2(char *second_buf, struct smb_hdr *target_hdr)
return 0;
}
return 0;
}
+static void
+cifs_downgrade_oplock(struct TCP_Server_Info *server,
+ struct cifsInodeInfo *cinode, bool set_level2)
+{
+ if (set_level2)
+ cifs_set_oplock_level(cinode, OPLOCK_READ);
+ else
+ cifs_set_oplock_level(cinode, 0);
+}
+
static bool
cifs_check_trans2(struct mid_q_entry *mid, struct TCP_Server_Info *server,
char *buf, int malformed)
static bool
cifs_check_trans2(struct mid_q_entry *mid, struct TCP_Server_Info *server,
char *buf, int malformed)
@@
-576,7
+586,7
@@
cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
tmprc = CIFS_open(xid, &oparms, &oplock, NULL);
if (tmprc == -EOPNOTSUPP)
*symlink = true;
tmprc = CIFS_open(xid, &oparms, &oplock, NULL);
if (tmprc == -EOPNOTSUPP)
*symlink = true;
- else
+ else
if (tmprc == 0)
CIFSSMBClose(xid, tcon, fid.netfid);
}
CIFSSMBClose(xid, tcon, fid.netfid);
}
@@
-999,6
+1009,12
@@
cifs_is_read_op(__u32 oplock)
return oplock == OPLOCK_READ;
}
return oplock == OPLOCK_READ;
}
+static bool
+cifs_dir_needs_close(struct cifsFileInfo *cfile)
+{
+ return !cfile->srch_inf.endOfSearch && !cfile->invalidHandle;
+}
+
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
@@
-1019,6
+1035,7
@@
struct smb_version_operations smb1_operations = {
.clear_stats = cifs_clear_stats,
.print_stats = cifs_print_stats,
.is_oplock_break = is_valid_oplock_break,
.clear_stats = cifs_clear_stats,
.print_stats = cifs_print_stats,
.is_oplock_break = is_valid_oplock_break,
+ .downgrade_oplock = cifs_downgrade_oplock,
.check_trans2 = cifs_check_trans2,
.need_neg = cifs_need_neg,
.negotiate = cifs_negotiate,
.check_trans2 = cifs_check_trans2,
.need_neg = cifs_need_neg,
.negotiate = cifs_negotiate,
@@
-1067,6
+1084,7
@@
struct smb_version_operations smb1_operations = {
.query_mf_symlink = cifs_query_mf_symlink,
.create_mf_symlink = cifs_create_mf_symlink,
.is_read_op = cifs_is_read_op,
.query_mf_symlink = cifs_query_mf_symlink,
.create_mf_symlink = cifs_create_mf_symlink,
.is_read_op = cifs_is_read_op,
+ .dir_needs_close = cifs_dir_needs_close,
#ifdef CONFIG_CIFS_XATTR
.query_all_EAs = CIFSSMBQAllEAs,
.set_EA = CIFSSMBSetEA,
#ifdef CONFIG_CIFS_XATTR
.query_all_EAs = CIFSSMBQAllEAs,
.set_EA = CIFSSMBSetEA,