[PATCH 6.1 022/473] ksmbd: ignore trailing slashes in share paths

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nandor Kracser <bonifaido@xxxxxxxxx>

commit 405ee4097c4bc3e70556520aed5ba52a511c2266 upstream.

Trailing slashes in share paths (like: /home/me/Share/) caused permission
issues with shares for clients on iOS and on Android TV for me,
but otherwise they work fine with plain old Samba.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Nandor Kracser <bonifaido@xxxxxxxxx>
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/smb/server/mgmt/share_config.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/fs/smb/server/mgmt/share_config.c
+++ b/fs/smb/server/mgmt/share_config.c
@@ -165,8 +165,12 @@ static struct ksmbd_share_config *share_
 
 		share->path = kstrndup(ksmbd_share_config_path(resp), path_len,
 				      GFP_KERNEL);
-		if (share->path)
+		if (share->path) {
 			share->path_sz = strlen(share->path);
+			while (share->path_sz > 1 &&
+			       share->path[share->path_sz - 1] == '/')
+				share->path[--share->path_sz] = '\0';
+		}
 		share->create_mask = resp->create_mask;
 		share->directory_mask = resp->directory_mask;
 		share->force_create_mode = resp->force_create_mode;






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