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authorBhanu Prakash Gollapudi <bprakash@broadcom.com>2011-08-05 02:38:47 +0200
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 16:35:44 +0200
commit5fb8fd0dbc0f7e3bc3ea594223e5d4b50c2092d9 (patch)
tree2a5d289bcdf75d799539dc24a6377469e9bf9cc4 /drivers/scsi/bnx2fc
parent[SCSI] bnx2fc: Fix NULL pointer deref during arm_cq. (diff)
downloadlinux-5fb8fd0dbc0f7e3bc3ea594223e5d4b50c2092d9.tar.xz
linux-5fb8fd0dbc0f7e3bc3ea594223e5d4b50c2092d9.zip
[SCSI] bnx2fc: code cleanup in bnx2fc_offload_session
- Free session resources before rport logoff - Do not free session resources in bnx2fc_alloc_session_resc() as it is handled in caller's error handling path. - Do not call bnx2fc_free_session_resc() if bnx2fc_init_tgt() fails as cq_lock is not yet initialized. Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bnx2fc')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_tgt.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
index 2f7a7da5b27b..2138da9571ac 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
@@ -76,7 +76,7 @@ static void bnx2fc_offload_session(struct fcoe_port *port,
if (rval) {
printk(KERN_ERR PFX "Failed to allocate conn id for "
"port_id (%6x)\n", rport->port_id);
- goto ofld_err;
+ goto tgt_init_err;
}
/* Allocate session resources */
@@ -141,11 +141,12 @@ retry_ofld:
ofld_err:
/* couldn't offload the session. log off from this rport */
BNX2FC_TGT_DBG(tgt, "bnx2fc_offload_session - offload error\n");
- lport->tt.rport_logoff(rdata);
/* Free session resources */
bnx2fc_free_session_resc(hba, tgt);
+tgt_init_err:
if (tgt->fcoe_conn_id != -1)
bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id);
+ lport->tt.rport_logoff(rdata);
}
void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt)
@@ -790,8 +791,6 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
return 0;
mem_alloc_failure:
- bnx2fc_free_session_resc(hba, tgt);
- bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id);
return -ENOMEM;
}