提交 f6614b7b 编写于 作者: L Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: fix a memleak in cifs_setattr_nounix()
  cifs: make cifs_ioctl handle NULL filp->private_data correctly
......@@ -2177,7 +2177,6 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
setattr_copy(inode, attrs);
mark_inode_dirty(inode);
return 0;
cifs_setattr_exit:
kfree(full_path);
......
......@@ -38,10 +38,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
struct cifs_sb_info *cifs_sb;
#ifdef CONFIG_CIFS_POSIX
struct cifsFileInfo *pSMBFile = filep->private_data;
struct cifsTconInfo *tcon = tlink_tcon(pSMBFile->tlink);
struct cifsTconInfo *tcon;
__u64 ExtAttrBits = 0;
__u64 ExtAttrMask = 0;
__u64 caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
__u64 caps;
#endif /* CONFIG_CIFS_POSIX */
xid = GetXid();
......@@ -62,6 +62,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
break;
#ifdef CONFIG_CIFS_POSIX
case FS_IOC_GETFLAGS:
if (pSMBFile == NULL)
break;
tcon = tlink_tcon(pSMBFile->tlink);
caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
if (CIFS_UNIX_EXTATTR_CAP & caps) {
rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
&ExtAttrBits, &ExtAttrMask);
......@@ -73,6 +77,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
break;
case FS_IOC_SETFLAGS:
if (pSMBFile == NULL)
break;
tcon = tlink_tcon(pSMBFile->tlink);
caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
if (CIFS_UNIX_EXTATTR_CAP & caps) {
if (get_user(ExtAttrBits, (int __user *)arg)) {
rc = -EFAULT;
......
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