[PATCH 11/12] cifs: Add fallback code path for cifs_mkdir_setinfo()

Pali Rohár
2024-12-31T22:37:12Z

Use SMBSetInformation() as a fallback function (when CIFSSMBSetPathInfo()
fails) which can set attribudes on the directory, including changing
read-only attribute.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
fs/smb/client/smb1ops.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/fs/smb/client/smb1ops.c b/fs/smb/client/smb1ops.c
index 33af1a6ab348..1697c1fc13b0 100644
--- a/fs/smb/client/smb1ops.c
+++ b/fs/smb/client/smb1ops.c
@@ -800,6 +800,11 @@ cifs_mkdir_setinfo(struct inode *inode, const char *full_path,
info.Attributes = cpu_to_le32(dosattrs);
rc = CIFSSMBSetPathInfo(xid, tcon, full_path, &info, cifs_sb->local_nls,
cifs_sb);
+ if (rc == -EOPNOTSUPP || rc == -EINVAL)
+ rc = SMBSetInformation(xid, tcon, full_path,
+ info.Attributes,
+ 0 /* do not change write time */,
+ cifs_sb->local_nls, cifs_sb);
if (rc == 0)
cifsInode->cifsAttrs = dosattrs;
}
--
2.20.1