Older kernels on little endian systems had the device_id endian
swapped in sysfs. This has since been fixed up. This patch adds
support to iprinit to check for attributes saved using the old
endian swapped device id.
Signed-off-by: Brian King <brk...@linux.vnet.ibm.com>
---
iprlib.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff -puN iprlib.c~iprutils_device_id_endian_swap iprlib.c
--- iprutils.patched/iprlib.c~iprutils_device_id_endian_swap 2016-10-25
13:47:48.063256801 -0500
+++ iprutils.patched-bjking1/iprlib.c 2016-10-25 13:47:48.069256776 -0500
@@ -7214,6 +7214,15 @@ static int ipr_get_saved_dev_attr(struct
dev->scsi_dev_data->device_id);
rc = ipr_get_saved_attr(dev->ioa, category, field, value);
+
+ if (rc) {
+ /* Older kernels reported a byte swapped device_id,
which has since
+ been changed. Check both for compatibility reasons */
+ sprintf(category,"[%s %lx]", IPR_CATEGORY_DEVICE,
+ htobe64(dev->scsi_dev_data->device_id));
+
+ rc = ipr_get_saved_attr(dev->ioa, category, field,
value);
+ }
}
if (rc) {
_
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