* FAILED: patch "[PATCH] ipmi:msghandler: Handle error returns from the SMI sender" failed to apply to 6.19-stable tree
@ 2026-03-17 11:34 gregkh
2026-03-17 16:51 ` [PATCH 6.19.y 1/2] ipmi: Consolidate the run to completion checking for xmit msgs lock Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2026-03-17 11:34 UTC (permalink / raw)
To: corey, rafael; +Cc: stable
The patch below does not apply to the 6.19-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.19.y
git checkout FETCH_HEAD
git cherry-pick -x 62cd145453d577113f993efd025f258dd86aa183
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026031713-overview-schnapps-75f6@gregkh' --subject-prefix 'PATCH 6.19.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 62cd145453d577113f993efd025f258dd86aa183 Mon Sep 17 00:00:00 2001
From: Corey Minyard <corey@minyard.net>
Date: Thu, 12 Feb 2026 21:56:54 -0600
Subject: [PATCH] ipmi:msghandler: Handle error returns from the SMI sender
It used to be, until recently, that the sender operation on the low
level interfaces would not fail. That's not the case any more with
recent changes.
So check the return value from the sender operation, and propagate it
back up from there and handle the errors in all places.
Reported-by: Rafael J. Wysocki <rafael@kernel.org>
Fixes: bc3a9d217755 ("ipmi:si: Gracefully handle if the BMC is non-functional")
Cc: stable@vger.kernel.org # 4.18
Signed-off-by: Corey Minyard <corey@minyard.net>
Reviewed-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index a042b1596933..f8c3c1e44520 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1887,19 +1887,32 @@ static struct ipmi_smi_msg *smi_add_send_msg(struct ipmi_smi *intf,
return smi_msg;
}
-static void smi_send(struct ipmi_smi *intf,
+static int smi_send(struct ipmi_smi *intf,
const struct ipmi_smi_handlers *handlers,
struct ipmi_smi_msg *smi_msg, int priority)
{
int run_to_completion = READ_ONCE(intf->run_to_completion);
unsigned long flags = 0;
+ int rv = 0;
ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
smi_msg = smi_add_send_msg(intf, smi_msg, priority);
ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
- if (smi_msg)
- handlers->sender(intf->send_info, smi_msg);
+ if (smi_msg) {
+ rv = handlers->sender(intf->send_info, smi_msg);
+ if (rv) {
+ ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
+ intf->curr_msg = NULL;
+ ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
+ /*
+ * Something may have been added to the transmit
+ * queue, so schedule a check for that.
+ */
+ queue_work(system_wq, &intf->smi_work);
+ }
+ }
+ return rv;
}
static bool is_maintenance_mode_cmd(struct kernel_ipmi_msg *msg)
@@ -2312,6 +2325,7 @@ static int i_ipmi_request(struct ipmi_user *user,
struct ipmi_recv_msg *recv_msg;
int run_to_completion = READ_ONCE(intf->run_to_completion);
int rv = 0;
+ bool in_seq_table = false;
if (supplied_recv) {
recv_msg = supplied_recv;
@@ -2365,33 +2379,50 @@ static int i_ipmi_request(struct ipmi_user *user,
rv = i_ipmi_req_ipmb(intf, addr, msgid, msg, smi_msg, recv_msg,
source_address, source_lun,
retries, retry_time_ms);
+ in_seq_table = true;
} else if (is_ipmb_direct_addr(addr)) {
rv = i_ipmi_req_ipmb_direct(intf, addr, msgid, msg, smi_msg,
recv_msg, source_lun);
} else if (is_lan_addr(addr)) {
rv = i_ipmi_req_lan(intf, addr, msgid, msg, smi_msg, recv_msg,
source_lun, retries, retry_time_ms);
+ in_seq_table = true;
} else {
- /* Unknown address type. */
+ /* Unknown address type. */
ipmi_inc_stat(intf, sent_invalid_commands);
rv = -EINVAL;
}
- if (rv) {
+ if (!rv) {
+ dev_dbg(intf->si_dev, "Send: %*ph\n",
+ smi_msg->data_size, smi_msg->data);
+
+ rv = smi_send(intf, intf->handlers, smi_msg, priority);
+ if (rv != IPMI_CC_NO_ERROR)
+ /* smi_send() returns an IPMI err, return a Linux one. */
+ rv = -EIO;
+ if (rv && in_seq_table) {
+ /*
+ * If it's in the sequence table, it will be
+ * retried later, so ignore errors.
+ */
+ rv = 0;
+ /* But we need to fix the timeout. */
+ intf_start_seq_timer(intf, smi_msg->msgid);
+ ipmi_free_smi_msg(smi_msg);
+ smi_msg = NULL;
+ }
+ }
out_err:
+ if (!run_to_completion)
+ mutex_unlock(&intf->users_mutex);
+
+ if (rv) {
if (!supplied_smi)
ipmi_free_smi_msg(smi_msg);
if (!supplied_recv)
ipmi_free_recv_msg(recv_msg);
- } else {
- dev_dbg(intf->si_dev, "Send: %*ph\n",
- smi_msg->data_size, smi_msg->data);
-
- smi_send(intf, intf->handlers, smi_msg, priority);
}
- if (!run_to_completion)
- mutex_unlock(&intf->users_mutex);
-
return rv;
}
@@ -3965,12 +3996,12 @@ static int handle_ipmb_get_msg_cmd(struct ipmi_smi *intf,
dev_dbg(intf->si_dev, "Invalid command: %*ph\n",
msg->data_size, msg->data);
- smi_send(intf, intf->handlers, msg, 0);
- /*
- * We used the message, so return the value that
- * causes it to not be freed or queued.
- */
- rv = -1;
+ if (smi_send(intf, intf->handlers, msg, 0) == IPMI_CC_NO_ERROR)
+ /*
+ * We used the message, so return the value that
+ * causes it to not be freed or queued.
+ */
+ rv = -1;
} else if (!IS_ERR(recv_msg)) {
/* Extract the source address from the data. */
ipmb_addr = (struct ipmi_ipmb_addr *) &recv_msg->addr;
@@ -4044,12 +4075,12 @@ static int handle_ipmb_direct_rcv_cmd(struct ipmi_smi *intf,
msg->data[4] = IPMI_INVALID_CMD_COMPLETION_CODE;
msg->data_size = 5;
- smi_send(intf, intf->handlers, msg, 0);
- /*
- * We used the message, so return the value that
- * causes it to not be freed or queued.
- */
- rv = -1;
+ if (smi_send(intf, intf->handlers, msg, 0) == IPMI_CC_NO_ERROR)
+ /*
+ * We used the message, so return the value that
+ * causes it to not be freed or queued.
+ */
+ rv = -1;
} else if (!IS_ERR(recv_msg)) {
/* Extract the source address from the data. */
daddr = (struct ipmi_ipmb_direct_addr *)&recv_msg->addr;
@@ -4189,7 +4220,7 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf,
struct ipmi_smi_msg *msg)
{
struct cmd_rcvr *rcvr;
- int rv = 0;
+ int rv = 0; /* Free by default */
unsigned char netfn;
unsigned char cmd;
unsigned char chan;
@@ -4242,12 +4273,12 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf,
dev_dbg(intf->si_dev, "Invalid command: %*ph\n",
msg->data_size, msg->data);
- smi_send(intf, intf->handlers, msg, 0);
- /*
- * We used the message, so return the value that
- * causes it to not be freed or queued.
- */
- rv = -1;
+ if (smi_send(intf, intf->handlers, msg, 0) == IPMI_CC_NO_ERROR)
+ /*
+ * We used the message, so return the value that
+ * causes it to not be freed or queued.
+ */
+ rv = -1;
} else if (!IS_ERR(recv_msg)) {
/* Extract the source address from the data. */
lan_addr = (struct ipmi_lan_addr *) &recv_msg->addr;
@@ -5056,7 +5087,12 @@ static void check_msg_timeout(struct ipmi_smi *intf, struct seq_table *ent,
ipmi_inc_stat(intf,
retransmitted_ipmb_commands);
- smi_send(intf, intf->handlers, smi_msg, 0);
+ /* If this fails we'll retry later or timeout. */
+ if (smi_send(intf, intf->handlers, smi_msg, 0) != IPMI_CC_NO_ERROR) {
+ /* But fix the timeout. */
+ intf_start_seq_timer(intf, smi_msg->msgid);
+ ipmi_free_smi_msg(smi_msg);
+ }
} else
ipmi_free_smi_msg(smi_msg);
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 6.19.y 1/2] ipmi: Consolidate the run to completion checking for xmit msgs lock
2026-03-17 11:34 FAILED: patch "[PATCH] ipmi:msghandler: Handle error returns from the SMI sender" failed to apply to 6.19-stable tree gregkh
@ 2026-03-17 16:51 ` Sasha Levin
2026-03-17 16:51 ` [PATCH 6.19.y 2/2] ipmi:msghandler: Handle error returns from the SMI sender Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: Sasha Levin @ 2026-03-17 16:51 UTC (permalink / raw)
To: stable; +Cc: Corey Minyard, Breno Leitao, Sasha Levin
From: Corey Minyard <corey@minyard.net>
[ Upstream commit 1d90e6c1a56f6ab83e5c9d30ded19e7ac8155713 ]
It made things hard to read, move the check to a function.
Signed-off-by: Corey Minyard <corey@minyard.net>
Reviewed-by: Breno Leitao <leitao@debian.org>
Stable-dep-of: 62cd145453d5 ("ipmi:msghandler: Handle error returns from the SMI sender")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/char/ipmi/ipmi_msghandler.c | 42 ++++++++++++++++-------------
1 file changed, 24 insertions(+), 18 deletions(-)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index a590a67294e24..a042b1596933f 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -602,6 +602,22 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
static int __scan_channels(struct ipmi_smi *intf,
struct ipmi_device_id *id, bool rescan);
+static void ipmi_lock_xmit_msgs(struct ipmi_smi *intf, int run_to_completion,
+ unsigned long *flags)
+{
+ if (run_to_completion)
+ return;
+ spin_lock_irqsave(&intf->xmit_msgs_lock, *flags);
+}
+
+static void ipmi_unlock_xmit_msgs(struct ipmi_smi *intf, int run_to_completion,
+ unsigned long *flags)
+{
+ if (run_to_completion)
+ return;
+ spin_unlock_irqrestore(&intf->xmit_msgs_lock, *flags);
+}
+
static void free_ipmi_user(struct kref *ref)
{
struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount);
@@ -1878,11 +1894,9 @@ static void smi_send(struct ipmi_smi *intf,
int run_to_completion = READ_ONCE(intf->run_to_completion);
unsigned long flags = 0;
- if (!run_to_completion)
- spin_lock_irqsave(&intf->xmit_msgs_lock, flags);
+ ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
smi_msg = smi_add_send_msg(intf, smi_msg, priority);
- if (!run_to_completion)
- spin_unlock_irqrestore(&intf->xmit_msgs_lock, flags);
+ ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
if (smi_msg)
handlers->sender(intf->send_info, smi_msg);
@@ -4826,8 +4840,7 @@ static void smi_work(struct work_struct *t)
* message delivery.
*/
restart:
- if (!run_to_completion)
- spin_lock_irqsave(&intf->xmit_msgs_lock, flags);
+ ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
if (intf->curr_msg == NULL && !intf->in_shutdown) {
struct list_head *entry = NULL;
@@ -4843,8 +4856,7 @@ static void smi_work(struct work_struct *t)
intf->curr_msg = newmsg;
}
}
- if (!run_to_completion)
- spin_unlock_irqrestore(&intf->xmit_msgs_lock, flags);
+ ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
if (newmsg) {
cc = intf->handlers->sender(intf->send_info, newmsg);
@@ -4852,13 +4864,9 @@ static void smi_work(struct work_struct *t)
if (newmsg->recv_msg)
deliver_err_response(intf,
newmsg->recv_msg, cc);
- if (!run_to_completion)
- spin_lock_irqsave(&intf->xmit_msgs_lock,
- flags);
+ ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
intf->curr_msg = NULL;
- if (!run_to_completion)
- spin_unlock_irqrestore(&intf->xmit_msgs_lock,
- flags);
+ ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
ipmi_free_smi_msg(newmsg);
newmsg = NULL;
goto restart;
@@ -4928,16 +4936,14 @@ void ipmi_smi_msg_received(struct ipmi_smi *intf,
spin_unlock_irqrestore(&intf->waiting_rcv_msgs_lock,
flags);
- if (!run_to_completion)
- spin_lock_irqsave(&intf->xmit_msgs_lock, flags);
+ ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
/*
* We can get an asynchronous event or receive message in addition
* to commands we send.
*/
if (msg == intf->curr_msg)
intf->curr_msg = NULL;
- if (!run_to_completion)
- spin_unlock_irqrestore(&intf->xmit_msgs_lock, flags);
+ ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
if (run_to_completion)
smi_work(&intf->smi_work);
--
2.51.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 6.19.y 2/2] ipmi:msghandler: Handle error returns from the SMI sender
2026-03-17 16:51 ` [PATCH 6.19.y 1/2] ipmi: Consolidate the run to completion checking for xmit msgs lock Sasha Levin
@ 2026-03-17 16:51 ` Sasha Levin
0 siblings, 0 replies; 3+ messages in thread
From: Sasha Levin @ 2026-03-17 16:51 UTC (permalink / raw)
To: stable; +Cc: Corey Minyard, Rafael J. Wysocki, Sasha Levin
From: Corey Minyard <corey@minyard.net>
[ Upstream commit 62cd145453d577113f993efd025f258dd86aa183 ]
It used to be, until recently, that the sender operation on the low
level interfaces would not fail. That's not the case any more with
recent changes.
So check the return value from the sender operation, and propagate it
back up from there and handle the errors in all places.
Reported-by: Rafael J. Wysocki <rafael@kernel.org>
Fixes: bc3a9d217755 ("ipmi:si: Gracefully handle if the BMC is non-functional")
Cc: stable@vger.kernel.org # 4.18
Signed-off-by: Corey Minyard <corey@minyard.net>
Reviewed-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/char/ipmi/ipmi_msghandler.c | 100 +++++++++++++++++++---------
1 file changed, 68 insertions(+), 32 deletions(-)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index a042b1596933f..f8c3c1e445200 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1887,19 +1887,32 @@ static struct ipmi_smi_msg *smi_add_send_msg(struct ipmi_smi *intf,
return smi_msg;
}
-static void smi_send(struct ipmi_smi *intf,
+static int smi_send(struct ipmi_smi *intf,
const struct ipmi_smi_handlers *handlers,
struct ipmi_smi_msg *smi_msg, int priority)
{
int run_to_completion = READ_ONCE(intf->run_to_completion);
unsigned long flags = 0;
+ int rv = 0;
ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
smi_msg = smi_add_send_msg(intf, smi_msg, priority);
ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
- if (smi_msg)
- handlers->sender(intf->send_info, smi_msg);
+ if (smi_msg) {
+ rv = handlers->sender(intf->send_info, smi_msg);
+ if (rv) {
+ ipmi_lock_xmit_msgs(intf, run_to_completion, &flags);
+ intf->curr_msg = NULL;
+ ipmi_unlock_xmit_msgs(intf, run_to_completion, &flags);
+ /*
+ * Something may have been added to the transmit
+ * queue, so schedule a check for that.
+ */
+ queue_work(system_wq, &intf->smi_work);
+ }
+ }
+ return rv;
}
static bool is_maintenance_mode_cmd(struct kernel_ipmi_msg *msg)
@@ -2312,6 +2325,7 @@ static int i_ipmi_request(struct ipmi_user *user,
struct ipmi_recv_msg *recv_msg;
int run_to_completion = READ_ONCE(intf->run_to_completion);
int rv = 0;
+ bool in_seq_table = false;
if (supplied_recv) {
recv_msg = supplied_recv;
@@ -2365,33 +2379,50 @@ static int i_ipmi_request(struct ipmi_user *user,
rv = i_ipmi_req_ipmb(intf, addr, msgid, msg, smi_msg, recv_msg,
source_address, source_lun,
retries, retry_time_ms);
+ in_seq_table = true;
} else if (is_ipmb_direct_addr(addr)) {
rv = i_ipmi_req_ipmb_direct(intf, addr, msgid, msg, smi_msg,
recv_msg, source_lun);
} else if (is_lan_addr(addr)) {
rv = i_ipmi_req_lan(intf, addr, msgid, msg, smi_msg, recv_msg,
source_lun, retries, retry_time_ms);
+ in_seq_table = true;
} else {
- /* Unknown address type. */
+ /* Unknown address type. */
ipmi_inc_stat(intf, sent_invalid_commands);
rv = -EINVAL;
}
- if (rv) {
-out_err:
- if (!supplied_smi)
- ipmi_free_smi_msg(smi_msg);
- if (!supplied_recv)
- ipmi_free_recv_msg(recv_msg);
- } else {
+ if (!rv) {
dev_dbg(intf->si_dev, "Send: %*ph\n",
smi_msg->data_size, smi_msg->data);
- smi_send(intf, intf->handlers, smi_msg, priority);
+ rv = smi_send(intf, intf->handlers, smi_msg, priority);
+ if (rv != IPMI_CC_NO_ERROR)
+ /* smi_send() returns an IPMI err, return a Linux one. */
+ rv = -EIO;
+ if (rv && in_seq_table) {
+ /*
+ * If it's in the sequence table, it will be
+ * retried later, so ignore errors.
+ */
+ rv = 0;
+ /* But we need to fix the timeout. */
+ intf_start_seq_timer(intf, smi_msg->msgid);
+ ipmi_free_smi_msg(smi_msg);
+ smi_msg = NULL;
+ }
}
+out_err:
if (!run_to_completion)
mutex_unlock(&intf->users_mutex);
+ if (rv) {
+ if (!supplied_smi)
+ ipmi_free_smi_msg(smi_msg);
+ if (!supplied_recv)
+ ipmi_free_recv_msg(recv_msg);
+ }
return rv;
}
@@ -3965,12 +3996,12 @@ static int handle_ipmb_get_msg_cmd(struct ipmi_smi *intf,
dev_dbg(intf->si_dev, "Invalid command: %*ph\n",
msg->data_size, msg->data);
- smi_send(intf, intf->handlers, msg, 0);
- /*
- * We used the message, so return the value that
- * causes it to not be freed or queued.
- */
- rv = -1;
+ if (smi_send(intf, intf->handlers, msg, 0) == IPMI_CC_NO_ERROR)
+ /*
+ * We used the message, so return the value that
+ * causes it to not be freed or queued.
+ */
+ rv = -1;
} else if (!IS_ERR(recv_msg)) {
/* Extract the source address from the data. */
ipmb_addr = (struct ipmi_ipmb_addr *) &recv_msg->addr;
@@ -4044,12 +4075,12 @@ static int handle_ipmb_direct_rcv_cmd(struct ipmi_smi *intf,
msg->data[4] = IPMI_INVALID_CMD_COMPLETION_CODE;
msg->data_size = 5;
- smi_send(intf, intf->handlers, msg, 0);
- /*
- * We used the message, so return the value that
- * causes it to not be freed or queued.
- */
- rv = -1;
+ if (smi_send(intf, intf->handlers, msg, 0) == IPMI_CC_NO_ERROR)
+ /*
+ * We used the message, so return the value that
+ * causes it to not be freed or queued.
+ */
+ rv = -1;
} else if (!IS_ERR(recv_msg)) {
/* Extract the source address from the data. */
daddr = (struct ipmi_ipmb_direct_addr *)&recv_msg->addr;
@@ -4189,7 +4220,7 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf,
struct ipmi_smi_msg *msg)
{
struct cmd_rcvr *rcvr;
- int rv = 0;
+ int rv = 0; /* Free by default */
unsigned char netfn;
unsigned char cmd;
unsigned char chan;
@@ -4242,12 +4273,12 @@ static int handle_lan_get_msg_cmd(struct ipmi_smi *intf,
dev_dbg(intf->si_dev, "Invalid command: %*ph\n",
msg->data_size, msg->data);
- smi_send(intf, intf->handlers, msg, 0);
- /*
- * We used the message, so return the value that
- * causes it to not be freed or queued.
- */
- rv = -1;
+ if (smi_send(intf, intf->handlers, msg, 0) == IPMI_CC_NO_ERROR)
+ /*
+ * We used the message, so return the value that
+ * causes it to not be freed or queued.
+ */
+ rv = -1;
} else if (!IS_ERR(recv_msg)) {
/* Extract the source address from the data. */
lan_addr = (struct ipmi_lan_addr *) &recv_msg->addr;
@@ -5056,7 +5087,12 @@ static void check_msg_timeout(struct ipmi_smi *intf, struct seq_table *ent,
ipmi_inc_stat(intf,
retransmitted_ipmb_commands);
- smi_send(intf, intf->handlers, smi_msg, 0);
+ /* If this fails we'll retry later or timeout. */
+ if (smi_send(intf, intf->handlers, smi_msg, 0) != IPMI_CC_NO_ERROR) {
+ /* But fix the timeout. */
+ intf_start_seq_timer(intf, smi_msg->msgid);
+ ipmi_free_smi_msg(smi_msg);
+ }
} else
ipmi_free_smi_msg(smi_msg);
--
2.51.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2026-03-17 11:34 FAILED: patch "[PATCH] ipmi:msghandler: Handle error returns from the SMI sender" failed to apply to 6.19-stable tree gregkh
2026-03-17 16:51 ` [PATCH 6.19.y 1/2] ipmi: Consolidate the run to completion checking for xmit msgs lock Sasha Levin
2026-03-17 16:51 ` [PATCH 6.19.y 2/2] ipmi:msghandler: Handle error returns from the SMI sender Sasha Levin
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