Showing error 1123

User: Jiri Slaby
Error type: Double Lock
Error type description: Some lock is locked twice unintentionally in a sequence
File location: drivers/char/ipmi/ipmi_si_intf.c
Line in file: 352
Project: Linux Kernel
Project version: 2.6.28
Tools: Stanse (1.2)
Entered: 2012-04-29 14:49:11 UTC

Source: 

 322{
 323        struct ipmi_smi_msg *msg = smi_info->curr_msg;
 324
 325        if (cCode < 0 || cCode > IPMI_ERR_UNSPECIFIED)
 326                cCode = IPMI_ERR_UNSPECIFIED;
 327        /* else use it as is */
 328
 329        /* Make it a reponse */
 330        msg->rsp[0] = msg->data[0] | 4;
 331        msg->rsp[1] = msg->data[1];
 332        msg->rsp[2] = cCode;
 333        msg->rsp_size = 3;
 334
 335        smi_info->curr_msg = NULL;
 336        deliver_recv_msg(smi_info, msg);
 337}
 338
 339static enum si_sm_result start_next_msg(struct smi_info *smi_info)
 340{
 341        int              rv;
 342        struct list_head *entry = NULL;
 343#ifdef DEBUG_TIMING
 344        struct timeval t;
 345#endif
 346
 347        /*
 348         * No need to save flags, we aleady have interrupts off and we
 349         * already hold the SMI lock.
 350         */
 351        if (!smi_info->run_to_completion)
 352                spin_lock(&(smi_info->msg_lock));
 353
 354        /* Pick the high priority queue first. */
 355        if (!list_empty(&(smi_info->hp_xmit_msgs))) {
 356                entry = smi_info->hp_xmit_msgs.next;
 357        } else if (!list_empty(&(smi_info->xmit_msgs))) {
 358                entry = smi_info->xmit_msgs.next;
 359        }
 360
 361        if (!entry) {
 362                smi_info->curr_msg = NULL;
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