diff options
| author | David S. Miller <davem@davemloft.net> | 2010-11-14 11:57:05 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-11-14 11:57:05 -0800 |
| commit | c25ecd0a21d5e08160cb5cc984f9e2b8ee347443 (patch) | |
| tree | 0e4dcacf1bf603f259b8d27445a10e60fa8d00d7 /fs/cifs/ioctl.c | |
| parent | 190683a9d5457e6d962c232ffbecac3ab158dddd (diff) | |
| parent | 9457b24a0955bbdd2e89220a75de69fe09501bba (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'fs/cifs/ioctl.c')
| -rw-r--r-- | fs/cifs/ioctl.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 2fa22f20cfc5..0c98672d0122 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -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; |