diff options
Diffstat (limited to 'drivers/char/pcmcia/cm4000_cs.c')
| -rw-r--r-- | drivers/char/pcmcia/cm4000_cs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index c9bc896d68a..90b199f97be 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1026,14 +1026,16 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, xoutb(0, REG_FLAGS1(iobase)); /* clear detectCMM */ /* last check before exit */ - if (!io_detect_cm4000(iobase, dev)) - count = -ENODEV; + if (!io_detect_cm4000(iobase, dev)) { + rc = -ENODEV; + goto release_io; + } if (test_bit(IS_INVREV, &dev->flags) && count > 0) str_invert_revert(dev->rbuf, count); if (copy_to_user(buf, dev->rbuf, count)) - return -EFAULT; + rc = -EFAULT; release_io: clear_bit(LOCK_IO, &dev->flags); |