From 3abee7e28bd943344ddacdaf98864604d077f74a Mon Sep 17 00:00:00 2001 From: Pavel Shilovsky Date: Mon, 20 Jun 2011 12:33:16 +0400 Subject: [PATCH] CIFS: Fix problem with 3.0-rc1 null user mount failure Figured it out: it was broken by e372387e56c8de878114375d9ee6a092f363b9e3 commit - "cifs: cifs_parse_mount_options: do not tokenize mount options in-place". So, as a quick fix I suggest to apply this patch. [PATCH] CIFS: Fix kfree() with constant string in a null user case Signed-off-by: Pavel Shilovsky Reviewed-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/connect.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 12cf72dd0c429..19fdbda7aa95e 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2937,7 +2937,11 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data, if (volume_info->nullauth) { cFYI(1, "null user"); - volume_info->username = ""; + volume_info->username = kzalloc(1, GFP_KERNEL); + if (volume_info->username == NULL) { + rc = -ENOMEM; + goto out; + } } else if (volume_info->username) { /* BB fixme parse for domain name here */ cFYI(1, "Username: %s", volume_info->username); -- 2.39.5