Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] bfa: declare MODULE_FIRMWARE
  [SCSI] gdth: Prevent negative offsets in ioctl CVE-2009-3080
  [SCSI] libsas: do not set res = 0 in sas_ex_discover_dev()
  [SCSI] Fix incorrect reporting of host protection capabilities
  [SCSI] pmcraid: Fix ppc64 driver build for using cpu_to_le32 on U8 data type
  [SCSI] ipr: add workaround for MSI interrupts on P7
  [SCSI] scsi_transport_fc: Fix WARN message for FC passthru failure paths
  [SCSI] bfa: fix test in bfad_os_fc_host_init()

1 files changed, 11 insertions, 18 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 6e728b176904..47941fc5aba7 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -797,30 +797,23 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
 
 static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
-        switch (target_type) {
-        case 1:
-                if (shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION)
-                        return target_type;
-        case 2:
-                if (shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION)
-                        return target_type;
-        case 3:
-                if (shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION)
-                        return target_type;
-        }
+        static unsigned char cap[] = { 0,
+                                       SHOST_DIF_TYPE1_PROTECTION,
+                                       SHOST_DIF_TYPE2_PROTECTION,
+                                       SHOST_DIF_TYPE3_PROTECTION };
 
-        return 0;
+        return shost->prot_capabilities & cap[target_type] ? target_type : 0;
 }
 
 static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
-        switch (target_type) {
-        case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION;
-        case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION;
-        case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION;
-        case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION;
-        }
+        static unsigned char cap[] = { SHOST_DIX_TYPE0_PROTECTION,
+                                       SHOST_DIX_TYPE1_PROTECTION,
+                                       SHOST_DIX_TYPE2_PROTECTION,
+                                       SHOST_DIX_TYPE3_PROTECTION };
+
+        return shost->prot_capabilities & cap[target_type];
 #endif
         return 0;
 }