Re: [PATCH] scsi: advansys: Remove unnecessary parentheses

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On 9/20/18 10:58 PM, Nathan Chancellor wrote:
Clang warns when multiple pairs of parentheses are used for a single
conditional statement.

drivers/scsi/advansys.c:6451:20: warning: equality comparison with
extraneous parentheses [-Wparentheses-equality]
                                 if ((sdtr_data == 0xFF)) {
                                      ~~~~~~~~~~^~~~~~~
drivers/scsi/advansys.c:6451:20: note: remove extraneous parentheses
around the comparison to silence this warning
                                 if ((sdtr_data == 0xFF)) {
                                     ~          ^      ~
drivers/scsi/advansys.c:6451:20: note: use '=' to turn this equality
comparison into an assignment
                                 if ((sdtr_data == 0xFF)) {
                                                ^~
                                                =
1 warning generated.

Link: https://github.com/ClangBuiltLinux/linux/issues/155
Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
---
  drivers/scsi/advansys.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 713f69033f20..44c96199e00a 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -6448,7 +6448,7 @@ static void AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
  				sdtr_data =
  				    AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
  						   ext_msg.req_ack_offset);
-				if ((sdtr_data == 0xFF)) {
+				if (sdtr_data == 0xFF) {
q_cntl |= QC_MSG_OUT;
  					asc_dvc->init_sdtr &= ~target_id;

Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke		               zSeries & Storage
hare@xxxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)



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