From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
CONFIG_DEBUG_SG reveals two missing sg_init_table calls. Add them.
kernel BUG at include/linux/scatterlist.h:50!
illegal operation: 0001 [#1]
[...]
Call Trace:
([<000000000026f184>] zfcp_ns_gid_pn_request+0x4c/0x2a0)
[<0000000000276dd4>] zfcp_erp_strategy_do_action+0x1410/0x1938
[<0000000000278412>] zfcp_erp_thread+0x4fa/0x1430
[<000000000001990a>] kernel_thread_starter+0x6/0xc
[<0000000000019904>] kernel_thread_starter+0x0/0xc
Cc: Swen Schillig <swen@xxxxxxxxxxxx>
Cc: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
Jens, could you please push this one via your tree? Thanks!
drivers/s390/scsi/zfcp_aux.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6/drivers/s390/scsi/zfcp_aux.c
===================================================================
--- linux-2.6.orig/drivers/s390/scsi/zfcp_aux.c
+++ linux-2.6/drivers/s390/scsi/zfcp_aux.c
@@ -1518,6 +1518,8 @@ zfcp_gid_pn_buffers_alloc(struct zfcp_gi
return -ENOMEM;
memset(data, 0, sizeof(*data));
+ sg_init_table(&data->req , 1);
+ sg_init_table(&data->resp , 1);
data->ct.req = &data->req;
data->ct.resp = &data->resp;
data->ct.req_count = data->ct.resp_count = 1;
-
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