[CIFS] Fix oops in reset_cifs_unix_caps on reconnect
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 1f4bc71..cf40e24 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1670,7 +1670,7 @@
/* We might be setting the path sep back to a different
form if we are reconnecting and the server switched its
posix path capability for this share */
- if(CIFS_SB(sb)->prepathlen > 0)
+ if(sb && (CIFS_SB(sb)->prepathlen > 0))
CIFS_SB(sb)->prepath[0] = CIFS_DIR_SEP(CIFS_SB(sb));
cFYI(1,("Negotiate caps 0x%x",(int)cap));