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path: root/drivers/char/ipmi/ipmi_si_intf.c
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Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c37
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 006d76525678..3eb226940948 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1073,10 +1073,13 @@ static void request_events(void *send_info)
atomic_set(&smi_info->req_events, 1);
}
-static void set_need_watch(void *send_info, bool enable)
+static void set_need_watch(void *send_info, unsigned int watch_mask)
{
struct smi_info *smi_info = send_info;
unsigned long flags;
+ int enable;
+
+ enable = !!watch_mask;
atomic_set(&smi_info->need_watch, enable);
spin_lock_irqsave(&smi_info->si_lock, flags);
@@ -2116,6 +2119,11 @@ static int try_smi_init(struct smi_info *new_smi)
new_smi->io.io_cleanup = NULL;
}
+ if (rv && new_smi->si_sm) {
+ kfree(new_smi->si_sm);
+ new_smi->si_sm = NULL;
+ }
+
kfree(init_name);
return rv;
}
@@ -2187,6 +2195,20 @@ skip_fallback_noirq:
}
module_init(init_ipmi_si);
+static void wait_msg_processed(struct smi_info *smi_info)
+{
+ unsigned long jiffies_now;
+ long time_diff;
+
+ while (smi_info->curr_msg || (smi_info->si_state != SI_NORMAL)) {
+ jiffies_now = jiffies;
+ time_diff = (((long)jiffies_now - (long)smi_info->last_timeout_jiffies)
+ * SI_USEC_PER_JIFFY);
+ smi_event_handler(smi_info, time_diff);
+ schedule_timeout_uninterruptible(1);
+ }
+}
+
static void shutdown_smi(void *send_info)
{
struct smi_info *smi_info = send_info;
@@ -2221,16 +2243,13 @@ static void shutdown_smi(void *send_info)
* in the BMC. Note that timers and CPU interrupts are off,
* so no need for locks.
*/
- while (smi_info->curr_msg || (smi_info->si_state != SI_NORMAL)) {
- poll(smi_info);
- schedule_timeout_uninterruptible(1);
- }
+ wait_msg_processed(smi_info);
+
if (smi_info->handlers)
disable_si_irq(smi_info);
- while (smi_info->curr_msg || (smi_info->si_state != SI_NORMAL)) {
- poll(smi_info);
- schedule_timeout_uninterruptible(1);
- }
+
+ wait_msg_processed(smi_info);
+
if (smi_info->handlers)
smi_info->handlers->cleanup(smi_info->si_sm);