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| author | Ian Abbott <abbotti@mev.co.uk> | 2015-10-12 19:21:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-13 20:29:48 +0300 |
| commit | f84e27adfc4cb0c4aa97d830c43f8c82aca0547c (patch) | |
| tree | a1e9d2d8bf5899a211e4d5f74b6d2ca10378f38d | |
| parent | 42ea907d785d522e5ae661c3774b8a801ac7f00b (diff) | |
| download | linux-f84e27adfc4cb0c4aa97d830c43f8c82aca0547c.tar.xz | |
staging: comedi: remove superfluous retval = 0 in comedi_read()
`comedi_read()` initializes `retval` to 0. The other `retval = 0`
assignments are superfluous, so remove them.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index a979f621f932..88ba0b648805 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2504,8 +2504,6 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes, if (!comedi_is_runflags_running(runflags)) { if (comedi_is_runflags_in_error(runflags)) retval = -EPIPE; - else - retval = 0; become_nonbusy = true; break; } @@ -2519,7 +2517,6 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes, break; } if (!s->busy) { - retval = 0; break; } if (s->busy != file) { |