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authorJeff Layton <jlayton@redhat.com>2012-11-25 08:00:35 -0500
committerSteve French <smfrench@gmail.com>2012-12-05 13:12:16 -0600
commitc78cd83805d43198e1ef452fba27fa049db6387f (patch)
treebb01a3f9ce785d51805e2a66e12141ebe653f481 /fs/cifs/cifsacl.c
parent60654ce047f7be62afa291573501e011297a47d8 (diff)
downloadlinux-c78cd83805d43198e1ef452fba27fa049db6387f.tar.bz2
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>
Diffstat (limited to 'fs/cifs/cifsacl.c')
-rw-r--r--fs/cifs/cifsacl.c53
1 files changed, 25 insertions, 28 deletions
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 0fb15bbbe43c..b45ec7426ae3 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -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;
- }
+ goto out;
+ }
- rc = build_sec_desc(pntsd, pnntsd, secdesclen, nmode, uid, gid,
- &aclflag);
+ /*
+ * 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;
+ }
- cFYI(DBG2, "build_sec_desc rc: %d", rc);
+ rc = build_sec_desc(pntsd, pnntsd, secdesclen, nmode, uid, gid,
+ &aclflag);
- if (!rc) {
- /* Set the security descriptor */
- rc = set_cifs_acl(pnntsd, secdesclen, inode,
- path, aclflag);
- cFYI(DBG2, "set_cifs_acl rc: %d", rc);
- }
+ cFYI(DBG2, "build_sec_desc rc: %d", rc);
- kfree(pnntsd);
- kfree(pntsd);
+ 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;
}