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[CIFS] Fix check after use error in ACL code

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CC: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2007-11-25 10:01:00 +00:00
parent 058250a0d5
commit 2b83457bde
1 changed files with 7 additions and 6 deletions
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13
fs/cifs/cifsacl.c
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@ -269,6 +269,13 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
/* BB need to add parm so we can store the SID BB */
if (!pdacl) {
/* no DACL in the security descriptor, set
all the permissions for user/group/other */
inode->i_mode |= S_IRWXUGO;
return;
}
/* validate that we do not go past end of acl */
if (end_of_acl < (char *)pdacl + le16_to_cpu(pdacl->size)) {
cERROR(1, ("ACL too small to parse DACL"));
@ -286,12 +293,6 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
user/group/other have no permissions */
inode->i_mode &= ~(S_IRWXUGO);
if (!pdacl) {
/* no DACL in the security descriptor, set
all the permissions for user/group/other */
inode->i_mode |= S_IRWXUGO;
return;
}
acl_base = (char *)pdacl;
acl_size = sizeof(struct cifs_acl);