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Subject[PATCH] target: fix tcm_loop build errors when SCSI=m
Date
From: Randy Dunlap <rdunlap@infradead.org>

Fix build errors when CONFIG_SCSI=m and CONFIG_LOOPBACK_TARGET=y
by making LOOPBACK_TARGET depend on SCSI.

drivers/target/loopback/tcm_loop.o: In function `tcm_loop_port_link':
tcm_loop.c:(.text+0x445): undefined reference to `scsi_add_device'
drivers/target/loopback/tcm_loop.o: In function `tcm_loop_driver_remove':
tcm_loop.c:(.text+0x55c): undefined reference to `scsi_remove_host'
tcm_loop.c:(.text+0x564): undefined reference to `scsi_host_put'
drivers/target/loopback/tcm_loop.o: In function `tcm_loop_submission_work':
tcm_loop.c:(.text+0x7c4): undefined reference to `scmd_printk'
drivers/target/loopback/tcm_loop.o: In function `tcm_loop_driver_probe':
tcm_loop.c:(.text+0x7fb): undefined reference to `scsi_host_alloc'
tcm_loop.c:(.text+0x85b): undefined reference to `scsi_add_host_with_dma'
tcm_loop.c:(.text+0x896): undefined reference to `scsi_host_put'
drivers/target/loopback/tcm_loop.o: In function `tcm_loop_port_unlink':
tcm_loop.c:(.text+0x962): undefined reference to `scsi_device_lookup'
tcm_loop.c:(.text+0x972): undefined reference to `scsi_remove_device'
tcm_loop.c:(.text+0x97a): undefined reference to `scsi_device_put'
drivers/target/loopback/tcm_loop.o:(.data+0x210): undefined reference to `scsi_change_queue_depth'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
Cc: linux-scsi@vger.kernel.org
Cc: target-devel@vger.kernel.org
Cc: Bart Van Assche <bart.vanassche@wdc.com>
---
drivers/target/loopback/Kconfig | 1 +
1 file changed, 1 insertion(+)

--- linux-next-20180806.orig/drivers/target/loopback/Kconfig
+++ linux-next-20180806/drivers/target/loopback/Kconfig
@@ -1,5 +1,6 @@
config LOOPBACK_TARGET
tristate "TCM Virtual SAS target and Linux/SCSI LDD fabric loopback module"
+ depends on SCSI
help
Say Y here to enable the TCM Virtual SAS target and Linux/SCSI LLD
fabric loopback module.

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