From: Colin Ian King colin.king@canonical.com
[ Upstream commit 41a6bf6529edd10a6def42e3b2c34a7474bcc2f5 ]
Currently if lport is null then the null lport pointer is dereference when printing out debug via the FC_LPORT_DB macro. Fix this by using the more generic FC_LIBFC_DBG debug macro instead that does not use lport.
Addresses-Coverity: ("Dereference after null check") Fixes: 7414705ea4ae ("libfc: Add runtime debugging with debug_logging module parameter") Signed-off-by: Colin Ian King colin.king@canonical.com Reviewed-by: Hannes Reinecke hare@suse.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/libfc/fc_exch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 30f9ef0c0d4f8..b20c575564e43 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -2499,7 +2499,7 @@ void fc_exch_recv(struct fc_lport *lport, struct fc_frame *fp)
/* lport lock ? */ if (!lport || lport->state == LPORT_ST_DISABLED) { - FC_LPORT_DBG(lport, "Receiving frames for an lport that " + FC_LIBFC_DBG("Receiving frames for an lport that " "has not been initialized correctly\n"); fc_frame_free(fp); return;