[CIFS] Check return code on failed alloc

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/README b/fs/cifs/README
index fa096f9..b806b11 100644 (file)
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -458,6 +458,12 @@ A partial list of the supported mount options follows:
                byte range locks).
  remount        remount the share (often used to change from ro to rw mounts
                or vice versa)
+ servern        Specify the server 's netbios name (RFC1001 name) to use
+               when attempting to setup a session to the server.  This is
+               This is needed for mounting to some older servers (such
+               as OS/2 or Windows 98 and Windows ME) since they do not
+               support a default server name.  A server name can be up
+               to 15 characters long and is usually uppercased.
  sfu            When the CIFS Unix Extensions are not negotiated, attempt to
                create device files and fifos in a format compatible with
                Services for Unix (SFU).  In addition retrieve bits 10-12

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 2ea027d..892be9b 100644 (file)
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -372,6 +372,10 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
 
        /* 2000 big enough to fit max user, domain, NOS name etc. */
        str_area = kmalloc(2000, GFP_KERNEL);
+       if (str_area == NULL) {
+               cifs_small_buf_release(smb_buf);
+               return -ENOMEM;
+       }
        bcc_ptr = str_area;
 
        ses->flags &= ~CIFS_SES_LANMAN;