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scsi: aacraid: Fix undefined behavior due to shift overflowing the constant

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Fix:

  drivers/scsi/aacraid/commsup.c: In function ‘aac_handle_sa_aif’:
  drivers/scsi/aacraid/commsup.c:1983:2: error: case label does not reduce to an integer constant
    case SA_AIF_BPCFG_CHANGE:
    ^~~~

See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@zn.tnic for the gory
details as to why it triggers with older gccs only.

Link: https://lore.kernel.org/r/20220405151517.29753-2-bp@alien8.de
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Borislav Petkov 2022-04-05 17:15:07 +02:00 • committed by Martin K. Petersen
parent 4a5fc1c6d7
commit 331c6e910f
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/aacraid/aacraid.h
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@ -121,7 +121,7 @@ enum {
#define SA_AIF_PDEV_CHANGE (1<<4)
#define SA_AIF_LDEV_CHANGE (1<<5)
#define SA_AIF_BPSTAT_CHANGE (1<<30)
#define SA_AIF_BPCFG_CHANGE (1<<31)
#define SA_AIF_BPCFG_CHANGE (1U<<31)
#define HBA_MAX_SG_EMBEDDED 28
#define HBA_MAX_SG_SEPARATE 90