[SCSI] ibmvscsi: Fix host config length field overflow
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 <benh@kernel.crashing.org> Cc: <stable@vger.kernel.org> Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -1851,6 +1851,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
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host_config = &evt_struct->iu.mad.host_config;
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/* The transport length field is only 16-bit */
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length = min(0xffff, length);
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/* Set up a lun reset SRP command */
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memset(host_config, 0x00, sizeof(*host_config));
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host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
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