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authorH Hartley Sweeten <hsweeten@visionengravers.com>2014-07-21 11:01:26 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-22 15:33:23 -0700
commit90ac0764e01f310588e578d26f554cb0008b5091 (patch)
tree75492123f5ec5dee622ca2bc1942d65c77999870
parent7a43ba4221aba096aedda5bf136c4b767d335c9b (diff)
downloadop-kernel-dev-90ac0764e01f310588e578d26f554cb0008b5091.zip
op-kernel-dev-90ac0764e01f310588e578d26f554cb0008b5091.tar.gz
staging: comedi: comedi_fops: remove disabled subdevice lock/unlock callback
According to Ian Abbott, this code was added in comedi-0.7.6 back in June 1999 and has always been disabled. The 'lock_f' and 'unlock' members don't even exist in the comedi_subdevice. Just remove the disabled code. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/comedi/comedi_fops.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 01fb31d..84a1e42 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -1660,14 +1660,6 @@ static int do_lock_ioctl(struct comedi_device *dev, unsigned int arg,
s->lock = file;
spin_unlock_irqrestore(&s->spin_lock, flags);
-#if 0
- if (ret < 0)
- return ret;
-
- if (s->lock_f)
- ret = s->lock_f(dev, s);
-#endif
-
return ret;
}
@@ -1702,14 +1694,8 @@ static int do_unlock_ioctl(struct comedi_device *dev, unsigned int arg,
if (s->lock && s->lock != file)
return -EACCES;
- if (s->lock == file) {
-#if 0
- if (s->unlock)
- s->unlock(dev, s);
-#endif
-
+ if (s->lock == file)
s->lock = NULL;
- }
return 0;
}
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