pcmcia/cm4000: fix lock imbalance

commit 69ae59d7d8df14413cf0a97b3e372d7dc8352563 upstream.

Don't return from switch/case, break instead, so that we unlock BKL.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index dbb912574569ef49375866a5053e429bf6d38831..881934c068c84e1c3599b5581a65bc7dca8d1ebf 100644 (file)
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1575,7 +1575,8 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                clear_bit(LOCK_IO, &dev->flags);
                wake_up_interruptible(&dev->ioq);
 
-               return 0;
+               rc = 0;
+               break;
        case CM_IOCSPTS:
                {
                        struct ptsreq krnptsreq;