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authorCorey Minyard <cminyard@mvista.com>2016-01-06 09:32:06 -0600
committerCorey Minyard <cminyard@mvista.com>2016-03-18 07:01:23 -0500
commit21c8f9154d9b3d2d84b619c2afdb6965f9d57975 (patch)
treedeab024c41de970b95229f5d552a2c456076fffb /drivers/char/ipmi
parent9dffdb38d864ae89e16ff7b3a09451270736e35b (diff)
ipmi_ssif: Fix logic around alert handling
There was a mistake in the logic, if an alert came in very quickly it would hang the driver. Signed-off-by: Corey Minyard <cminyard@mvista.com>
Diffstat (limited to 'drivers/char/ipmi')
-rw-r--r--drivers/char/ipmi/ipmi_ssif.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 5f1c3d08ba65..8b3be8b92573 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -920,23 +920,18 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result,
msg_done_handler(ssif_info, -EIO, NULL, 0);
}
} else {
+ /* Ready to request the result. */
unsigned long oflags, *flags;
- bool got_alert;
ssif_inc_stat(ssif_info, sent_messages);
ssif_inc_stat(ssif_info, sent_messages_parts);
flags = ipmi_ssif_lock_cond(ssif_info, &oflags);
- got_alert = ssif_info->got_alert;
- if (got_alert) {
+ if (ssif_info->got_alert) {
+ /* The result is already ready, just start it. */
ssif_info->got_alert = false;
- ssif_info->waiting_alert = false;
- }
-
- if (got_alert) {
ipmi_ssif_unlock_cond(ssif_info, flags);
- /* The alert already happened, try now. */
- retry_timeout((unsigned long) ssif_info);
+ start_get(ssif_info);
} else {
/* Wait a jiffie then request the next message */
ssif_info->waiting_alert = true;