Clang warns when multiple pairs of parentheses are used for a single
conditional statement.

In file included from drivers/scsi/BusLogic.c:57:
drivers/scsi/FlashPoint.c:2947:34: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
                                if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) {
                                     ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
drivers/scsi/FlashPoint.c:2947:34: note: remove extraneous parentheses around the comparison to silence this warning
                                if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) {
                                    ~                        ^              ~
drivers/scsi/FlashPoint.c:2947:34: note: use '=' to turn this equality comparison into an assignment
                                if ((currSCCB->Sccb_scsistat == SELECT_SN_ST)) {
                                                             ^~
                                                             =
drivers/scsi/FlashPoint.c:2956:39: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
                                else if ((currSCCB->Sccb_scsistat ==
                                          ~~~~~~~~~~~~~~~~~~~~~~~~^~
drivers/scsi/FlashPoint.c:2956:39: note: remove extraneous parentheses around the comparison to silence this warning
                                else if ((currSCCB->Sccb_scsistat ==
                                         ~                        ^
drivers/scsi/FlashPoint.c:2956:39: note: use '=' to turn this equality comparison into an assignment
                                else if ((currSCCB->Sccb_scsistat ==
                                                                  ^~
                                                                  =
2 warnings generated.

Link: https://github.com/ClangBuiltLinux/linux/issues/156


Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Khalid Aziz <khalid@gonehiking.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>