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authorArnd Bergmann <arnd@arndb.de>2012-11-15 17:27:43 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-15 17:27:43 +0100
commit12480c2e53d355223cf6884ed1f56e6ac9b7c21f (patch)
treec244c5b4f265dc38f7658fbe5714ba2c402aef28 /drivers/target/target_core_sbc.c
parent6c8e94a57c30e31d0807f038b4f98b659fd67776 (diff)
parent936407358759adb302df93ab61fa68141897270c (diff)
Merge tag 'omap-for-v3.8/fixes-non-critical-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren <tony@atomide.com>: Non critical omap fixes that were not considered urgent for the -rc cycle. * tag 'omap-for-v3.8/fixes-non-critical-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (645 commits) ARM: OMAP4: PM: fix errata handling when CONFIG_PM=n ARM: OMAP4: retrigger localtimers after re-enabling gic ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC control register change. ARM: OMAP4: PM: add errata support Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/target/target_core_sbc.c')
-rw-r--r--drivers/target/target_core_sbc.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 868f8aa04f1..a6e27d967c7 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -135,6 +135,12 @@ static int sbc_emulate_verify(struct se_cmd *cmd)
return 0;
}
+static int sbc_emulate_noop(struct se_cmd *cmd)
+{
+ target_complete_cmd(cmd, GOOD);
+ return 0;
+}
+
static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors)
{
return cmd->se_dev->se_sub_dev->se_dev_attrib.block_size * sectors;
@@ -531,6 +537,18 @@ int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops)
size = 0;
cmd->execute_cmd = sbc_emulate_verify;
break;
+ case REZERO_UNIT:
+ case SEEK_6:
+ case SEEK_10:
+ /*
+ * There are still clients out there which use these old SCSI-2
+ * commands. This mainly happens when running VMs with legacy
+ * guest systems, connected via SCSI command pass-through to
+ * iSCSI targets. Make them happy and return status GOOD.
+ */
+ size = 0;
+ cmd->execute_cmd = sbc_emulate_noop;
+ break;
default:
ret = spc_parse_cdb(cmd, &size);
if (ret)