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cifs: clean up id_mode_to_cifs_acl 

Add a label we can goto on error, and get rid of some excess indentation.
Also move to kernel-style comments.

Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Jeff Layton 2012-11-25 08:00:35 -05:00 committed by Steve French
parent 60654ce047
commit c78cd83805
1 changed files with 29 additions and 32 deletions
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61
fs/cifs/cifsacl.c
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@ -1307,42 +1307,39 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode,
/* Get the security descriptor */
pntsd = get_cifs_acl(CIFS_SB(inode->i_sb), inode, path, &secdesclen);
/* Add three ACEs for owner, group, everyone getting rid of
other ACEs as chmod disables ACEs and set the security descriptor */
if (IS_ERR(pntsd)) {
rc = PTR_ERR(pntsd);
cERROR(1, "%s: error %d getting sec desc", __func__, rc);
} else {
/* allocate memory for the smb header,
set security descriptor request security descriptor
parameters, and secuirty descriptor itself */
secdesclen = secdesclen < DEFSECDESCLEN ?
DEFSECDESCLEN : secdesclen;
pnntsd = kmalloc(secdesclen, GFP_KERNEL);
if (!pnntsd) {
cERROR(1, "Unable to allocate security descriptor");
kfree(pntsd);
return -ENOMEM;
}
rc = build_sec_desc(pntsd, pnntsd, secdesclen, nmode, uid, gid,
&aclflag);
cFYI(DBG2, "build_sec_desc rc: %d", rc);
if (!rc) {
/* Set the security descriptor */
rc = set_cifs_acl(pnntsd, secdesclen, inode,
path, aclflag);
cFYI(DBG2, "set_cifs_acl rc: %d", rc);
}
kfree(pnntsd);
kfree(pntsd);
goto out;
}
/*
* Add three ACEs for owner, group, everyone getting rid of other ACEs
* as chmod disables ACEs and set the security descriptor. Allocate
* memory for the smb header, set security descriptor request security
* descriptor parameters, and secuirty descriptor itself
*/
secdesclen = max_t(u32, secdesclen, DEFSECDESCLEN);
pnntsd = kmalloc(secdesclen, GFP_KERNEL);
if (!pnntsd) {
cERROR(1, "Unable to allocate security descriptor");
kfree(pntsd);
return -ENOMEM;
}
rc = build_sec_desc(pntsd, pnntsd, secdesclen, nmode, uid, gid,
&aclflag);
cFYI(DBG2, "build_sec_desc rc: %d", rc);
if (!rc) {
/* Set the security descriptor */
rc = set_cifs_acl(pnntsd, secdesclen, inode, path, aclflag);
cFYI(DBG2, "set_cifs_acl rc: %d", rc);
}
kfree(pnntsd);
kfree(pntsd);
out:
return rc;
}