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Commit f84e27ad authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
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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: default avatarIan Abbott <abbotti@mev.co.uk>
Reviewed-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 42ea907d

drivers/staging/comedi/comedi_fops.c

+0 −3
Original line number Diff line number Diff line
@@ -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) {