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CIFS: Fix problem with 3.0-rc1 null user mount failure

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Figured it out: it was broken by b946845a9d 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 <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Pavel Shilovsky 2011-06-20 12:33:16 +04:00 committed by Steve French
parent 2992c4bd57
commit 446b23a758
1 changed files with 5 additions and 1 deletions
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6
fs/cifs/connect.c
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@ -2937,7 +2937,11 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
if (volume_info->nullauth) { if (volume_info->nullauth) {
cFYI(1, "null user"); 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) { } else if (volume_info->username) {
/* BB fixme parse for domain name here */ /* BB fixme parse for domain name here */
cFYI(1, "Username: %s", volume_info->username); cFYI(1, "Username: %s", volume_info->username);