3.5-stable review patch. If anyone has any objections, please let me know.
------------------
From: Benjamin Herrenschmidt <b...@kernel.crashing.org>
commit 225c56960fcafeccc2b6304f96cd3f0dbf42a16a upstream.
The length field in the host config packet is only 16-bit long, so
passing it 0x10000 (64K which is our standard PAGE_SIZE) doesn't
work and result in an empty config from the server.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Acked-by: Robert Jennings <r...@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <jbottom...@parallels.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1541,6 +1541,9 @@ static int ibmvscsi_do_host_config(struc
host_config = &evt_struct->iu.mad.host_config;
+ /* The transport length field is only 16-bit */
+ length = min(0xffff, length);
+
/* Set up a lun reset SRP command */
memset(host_config, 0x00, sizeof(*host_config));
host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
--
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