Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

1 files changed, 14 insertions, 2 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index c7a527c08a09..a52cc7fe45ea 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -26,6 +26,7 @@
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/delay.h>
 #include <linux/major.h>
 #include <linux/fs.h>
@@ -226,8 +227,18 @@ static inline void addQ(struct hlist_head *list, CommandList_struct *c)
 
 static inline void removeQ(CommandList_struct *c)
 {
-        if (WARN_ON(hlist_unhashed(&c->list)))
+        /*
+         * After kexec/dump some commands might still
+         * be in flight, which the firmware will try
+         * to complete. Resetting the firmware doesn't work
+         * with old fw revisions, so we have to mark
+         * them off as 'stale' to prevent the driver from
+         * falling over.
+         */
+        if (WARN_ON(hlist_unhashed(&c->list))) {
+                c->cmd_type = CMD_MSG_STALE;
                 return;
+        }
 
         hlist_del_init(&c->list);
 }
@@ -4246,7 +4257,8 @@ static void fail_all_cmds(unsigned long ctlr)
         while (!hlist_empty(&h->cmpQ)) {
                 c = hlist_entry(h->cmpQ.first, CommandList_struct, list);
                 removeQ(c);
-                c->err_info->CommandStatus = CMD_HARDWARE_ERR;
+                if (c->cmd_type != CMD_MSG_STALE)
+                        c->err_info->CommandStatus = CMD_HARDWARE_ERR;
                 if (c->cmd_type == CMD_RWREQ) {
                         complete_command(h, c, 0);
                 } else if (c->cmd_type == CMD_IOCTL_PEND)