From d49d1c76b96ebf39539e93d5ab7943a01ef70e4f Mon Sep 17 00:00:00 2001 From: zhengbin Date: Tue, 8 Oct 2019 15:41:55 +0800 Subject: staging: comedi: Remove set but not used variable 'aref' Fixes gcc '-Wunused-but-set-variable' warning: drivers/staging/comedi/drivers/dt3000.c: In function dt3k_ai_insn_read: drivers/staging/comedi/drivers/dt3000.c:511:27: warning: variable aref set but not used [-Wunused-but-set-variable] It is not used since commit 2e310235ca8f ("staging: comedi: dt3000: rename dt3k_ai_insn()") Reported-by: Hulk Robot Signed-off-by: zhengbin Reviewed-by: Dan Carpenter Reviewed-by: Ian Abbott Link: https://lore.kernel.org/r/1570520515-2186-7-git-send-email-zhengbin13@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt3000.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/staging/comedi') diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c index caf4d4df4bd3..f7c365b70106 100644 --- a/drivers/staging/comedi/drivers/dt3000.c +++ b/drivers/staging/comedi/drivers/dt3000.c @@ -508,12 +508,11 @@ static int dt3k_ai_insn_read(struct comedi_device *dev, unsigned int *data) { int i; - unsigned int chan, gain, aref; + unsigned int chan, gain; chan = CR_CHAN(insn->chanspec); gain = CR_RANGE(insn->chanspec); /* XXX docs don't explain how to select aref */ - aref = CR_AREF(insn->chanspec); for (i = 0; i < insn->n; i++) data[i] = dt3k_readsingle(dev, DPR_SUBSYS_AI, chan, gain); -- cgit v1.2.3-59-g8ed1b