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cifs: Fix chmod with modefromsid when an older ACE already exists.

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My recent fixes to cifsacl to maintain inherited ACEs had
regressed modefromsid when an older ACL already exists.

Found testing xfstest 495 with modefromsid mount option

Fixes: f506550889 ("cifs: Retain old ACEs when converting between mode bits and ACL")

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Shyam Prasad N 2021-03-26 10:28:16 +00:00 committed by Steve French
parent 45a4546c61
commit 3bffbe9e0b
1 changed files with 1 additions and 2 deletions
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3
fs/cifs/cifsacl.c
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@ -1130,8 +1130,7 @@ static int set_chmod_dacl(struct cifs_acl *pdacl, struct cifs_acl *pndacl,
}
/* If it's any one of the ACE we're replacing, skip! */
if (!mode_from_sid &&
((compare_sids(&pntace->sid, &sid_unix_NFS_mode) == 0) ||
if (((compare_sids(&pntace->sid, &sid_unix_NFS_mode) == 0) ||
(compare_sids(&pntace->sid, pownersid) == 0) ||
(compare_sids(&pntace->sid, pgrpsid) == 0) ||
(compare_sids(&pntace->sid, &sid_everyone) == 0) ||