From: Yi Zou Date: Mon, 16 May 2011 23:45:40 +0000 (-0700) Subject: [SCSI] libfc: release DDP context if frame_send() fails X-Git-Tag: firefly_0821_release~7613^2~1023^2~45 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6a716a8535ea8ed7676cea1e122f1c3d02e55b6b;p=firefly-linux-kernel-4.4.55.git [SCSI] libfc: release DDP context if frame_send() fails In case frame_send() fails, make sure to let the underlying HW release the DDP context that has already been set up before calling frame_send(). Signed-off-by: Yi Zou Signed-off-by: Robert Love Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 77035a746f60..4d2994d38fb9 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -1978,6 +1978,7 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, spin_unlock_bh(&ep->ex_lock); return sp; err: + fc_fcp_ddp_done(fr_fsp(fp)); rc = fc_exch_done_locked(ep); spin_unlock_bh(&ep->ex_lock); if (!rc) diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index 2a3a4720a771..f880d40d4e78 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -312,7 +312,7 @@ void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid) * DDP related resources for a fcp_pkt * @fsp: The FCP packet that DDP had been used on */ -static void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp) +void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp) { struct fc_lport *lport; diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h index fedc819d70c0..c7d071289af5 100644 --- a/drivers/scsi/libfc/fc_libfc.h +++ b/drivers/scsi/libfc/fc_libfc.h @@ -108,6 +108,7 @@ extern struct fc4_prov fc_rport_fcp_init; /* FCP initiator provider */ * Set up direct-data placement for this I/O request */ void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid); +void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp); /* * Module setup functions