From: Joe Eykholt <jeykholt@xxxxxxxxx>
It's possible to "restart" discovery before it was started if
an RSCN is received early enough. We were jumping to 0
due to the disc_callback function pointer not getting set.
Don't restart discovery if disc_callback is NULL.
Signed-off-by: Joe Eykholt <jeykholt@xxxxxxxxx>
Signed-off-by: Robert Love <robert.w.love@xxxxxxxxx>
---
drivers/scsi/libfc/fc_disc.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index 4284218..1a699f4 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -219,6 +219,9 @@ static void fc_disc_recv_req(struct fc_seq *sp, struct fc_frame *fp,
*/
static void fc_disc_restart(struct fc_disc *disc)
{
+ if (!disc->disc_callback)
+ return;
+
FC_DISC_DBG(disc, "Restarting discovery\n");
disc->requested = 1;
--
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