From 8eea2f55a65b9471276e78e5c86ddd19c4c0365c Mon Sep 17 00:00:00 2001 From: Eddie Wai Date: Tue, 23 Nov 2010 15:29:21 -0800 Subject: [SCSI] bnx2i: Added fix for NOP-Out response panic from unsolicited NOP-In The patch fixes the following situations where NOP-Out pkt is called for: - local unsolicited NOP-Out requests (requesting no NOP-In response) - local NOP-Out responses to unsolicited NOP-In requests kernel panic is observed due to double session spin_lock requests; one in the bnx2i_process_nopin_local_cmpl routine in bnx2i_hwi.c and the other in the iscsi_put_task routine in libiscsi.c The proposed fix is to export the currently static __iscsi_put_task() routine and have bnx2i call it directly instead of the iscsi_put_task() routine which holds the session spin lock. Signed-off-by: Eddie Wai Reviewed-by: Michael Chan Reviewed-by: Anil Veerabhadrappa Acked-by: Benjamin Li Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/scsi/libiscsi.c') diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index c15fde808c3..7551abe4090 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -539,11 +539,12 @@ void __iscsi_get_task(struct iscsi_task *task) } EXPORT_SYMBOL_GPL(__iscsi_get_task); -static void __iscsi_put_task(struct iscsi_task *task) +void __iscsi_put_task(struct iscsi_task *task) { if (atomic_dec_and_test(&task->refcount)) iscsi_free_task(task); } +EXPORT_SYMBOL_GPL(__iscsi_put_task); void iscsi_put_task(struct iscsi_task *task) { -- cgit v1.2.3