diff mbox series

[02/12] cifs: Fix calling CIFSFindFirst() for root path without msearch

Message ID 20241231223642.15722-2-pali@kernel.org (mailing list archive)
State New, archived
Headers show
Series [01/12] cifs: Fix struct FILE_ALL_INFO | expand

Commit Message

Pali Rohár Dec. 31, 2024, 10:36 p.m. UTC 
To query root path (without msearch wildcard) it is needed to
send pattern "\" instead of "" (empty string).

This allows to use CIFSFindFirst() to query information about root path.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 fs/smb/client/cifssmb.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index 604e204e3f57..7c42a0651138 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -4108,6 +4108,12 @@  CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
 			pSMB->FileName[name_len] = 0;
 			pSMB->FileName[name_len+1] = 0;
 			name_len += 2;
+		} else if (!searchName[0]) {
+			pSMB->FileName[0] = CIFS_DIR_SEP(cifs_sb);
+			pSMB->FileName[1] = 0;
+			pSMB->FileName[2] = 0;
+			pSMB->FileName[3] = 0;
+			name_len = 4;
 		}
 	} else {
 		name_len = copy_path_name(pSMB->FileName, searchName);
@@ -4119,6 +4125,10 @@  CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
 			pSMB->FileName[name_len] = '*';
 			pSMB->FileName[name_len+1] = 0;
 			name_len += 2;
+		} else if (!searchName[0]) {
+			pSMB->FileName[0] = CIFS_DIR_SEP(cifs_sb);
+			pSMB->FileName[1] = 0;
+			name_len = 2;
 		}
 	}