Fixes gcc '-Wunused-but-set-variable' warning:

drivers/scsi/aic7xxx/aic79xx_pci.c: In function 'ahd_pci_config':
drivers/scsi/aic7xxx/aic79xx_pci.c:291:19: warning:
 variable 'shared_scb_data' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <[email protected]>
---
 drivers/scsi/aic7xxx/aic79xx_pci.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c 
b/drivers/scsi/aic7xxx/aic79xx_pci.c
index c68943b..8397ae9 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -288,13 +288,11 @@ static void       ahd_configure_termination(struct 
ahd_softc *ahd,
 int
 ahd_pci_config(struct ahd_softc *ahd, const struct ahd_pci_identity *entry)
 {
-       struct scb_data *shared_scb_data;
        u_int            command;
        uint32_t         devconfig;
        uint16_t         subvendor; 
        int              error;
 
-       shared_scb_data = NULL;
        ahd->description = entry->name;
        /*
         * Record if this is an HP board.

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