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authorVasu Dev <vasu.dev@intel.com>2009-02-27 13:54:51 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-03-06 16:37:23 -0500
commita7e84f2b83f17f8f11da34ccef3ba5a862dc0182 (patch)
tree7cfe6e926cafbd1877e702456b631086d1b8a85c /drivers
parent78342da3682ec843e3e6301af5c723c88a46c408 (diff)
[SCSI] libfc: fixed a soft lockup issue in fc_exch_recv_abts
The fc_seq_start_next grabs ep->ex_lock but this lock was already held here, so instead called fc_seq_start_next_locked to avoid soft lockup. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/libfc/fc_exch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index e874e77b740c..dd269e5f953e 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -1096,7 +1096,7 @@ static void fc_exch_recv_abts(struct fc_exch *ep, struct fc_frame *rx_fp)
1096 ap->ba_high_seq_cnt = fh->fh_seq_cnt; 1096 ap->ba_high_seq_cnt = fh->fh_seq_cnt;
1097 ap->ba_low_seq_cnt = htons(sp->cnt); 1097 ap->ba_low_seq_cnt = htons(sp->cnt);
1098 } 1098 }
1099 sp = fc_seq_start_next(sp); 1099 sp = fc_seq_start_next_locked(sp);
1100 spin_unlock_bh(&ep->ex_lock); 1100 spin_unlock_bh(&ep->ex_lock);
1101 fc_seq_send_last(sp, fp, FC_RCTL_BA_ACC, FC_TYPE_BLS); 1101 fc_seq_send_last(sp, fp, FC_RCTL_BA_ACC, FC_TYPE_BLS);
1102 fc_frame_free(rx_fp); 1102 fc_frame_free(rx_fp);