The patch titled
ibmaem: prevent infinite probing loop on x3650 M2 systems
has been removed from the -mm tree. Its filename was
ibmaem-prevent-infinite-probing-loop-on-x3650-m2-systems.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ibmaem: prevent infinite probing loop on x3650 M2 systems
From: "Darrick J. Wong" <djwong@xxxxxxxxxx>
On older machines, probing for a nonexistent AEM interface returned an
IPMI error; when we saw this, we'd stop probing. On the x3650 M2 and
(presumably) later, we are returned a value indicating success and a
buffer full of garbage or zeroes. This causes the probe function to run
in an infinite loop. To fix this, we add one last check--if the interface
number we're looking for is higher than the number of interfaces that AEM
claims to have, stop probing.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/ibmaem.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/hwmon/ibmaem.c~ibmaem-prevent-infinite-probing-loop-on-x3650-m2-systems drivers/hwmon/ibmaem.c
--- a/drivers/hwmon/ibmaem.c~ibmaem-prevent-infinite-probing-loop-on-x3650-m2-systems
+++ a/drivers/hwmon/ibmaem.c
@@ -676,7 +676,8 @@ static int aem_find_aem2(struct aem_ipmi
return -ETIMEDOUT;
if (data->rx_result || data->rx_msg_len != sizeof(*fi_resp) ||
- memcmp(&fi_resp->id, &system_x_id, sizeof(system_x_id)))
+ memcmp(&fi_resp->id, &system_x_id, sizeof(system_x_id)) ||
+ fi_resp->num_instances <= instance_num)
return -ENOENT;
return 0;
_
Patches currently in -mm which might be from djwong@xxxxxxxxxx are
origin.patch
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