[PATCH] cifs: add fallback in is_path_accessible for old servers
DORMANTno replies
From: Jeff Layton <hidden>
Date: 2011-05-17 10:40:30
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
The is_path_accessible check uses a QPathInfo call, which isn't supported by ancient win9x era servers. Fall back to an older SMBQueryInfo call if it fails with the magic error codes. Cc: stable-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Reported-and-Tested-by: Sandro Bonazzola <redacted> Signed-off-by: Jeff Layton <redacted> --- fs/cifs/connect.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 05f1dcf..277262a 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c@@ -2673,6 +2673,11 @@ is_path_accessible(int xid, struct cifsTconInfo *tcon, 0 /* not legacy */, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + + if (rc == -EOPNOTSUPP || rc == -EINVAL) + rc = SMBQueryInformation(xid, tcon, full_path, pfile_info, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); kfree(pfile_info); return rc; }
--
1.7.4.4