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| author | Hiral Patel <hiralpat@cisco.com> | 2013-02-25 16:18:37 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-05-02 07:32:23 -0700 |
| commit | d7fadce335fa4d38868f331c9265b139e797986f (patch) | |
| tree | e5364789597ff17300cb7f3f41e4bdde353eaa0a /drivers/scsi/fnic/fnic_fcs.c | |
| parent | d3c995f1dcf938f1084388d92b8fb97bec366566 (diff) | |
| download | linux-d7fadce335fa4d38868f331c9265b139e797986f.tar.gz linux-d7fadce335fa4d38868f331c9265b139e797986f.tar.bz2 linux-d7fadce335fa4d38868f331c9265b139e797986f.zip | |
[SCSI] fnic: Kernel panic due to FIP mode misconfiguration
If switch configured in FIP and adapter configured in non-fip mode, driver
panics while queueing FIP frame in non-existing fip_frame_queue. Added config
check before queueing FIP frame in misconfiguration case to avoid kernel panic.
Signed-off-by: Hiral Patel <hiralpat@cisco.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/fnic/fnic_fcs.c')
| -rw-r--r-- | drivers/scsi/fnic/fnic_fcs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c index 34a0b7ddb688..006fa92a02df 100644 --- a/drivers/scsi/fnic/fnic_fcs.c +++ b/drivers/scsi/fnic/fnic_fcs.c @@ -603,6 +603,12 @@ static inline int fnic_import_rq_eth_pkt(struct fnic *fnic, struct sk_buff *skb) skb_reset_mac_header(skb); } if (eh->h_proto == htons(ETH_P_FIP)) { + if (!(fnic->config.flags & VFCF_FIP_CAPABLE)) { + printk(KERN_ERR "Dropped FIP frame, as firmware " + "uses non-FIP mode, Enable FIP " + "using UCSM\n"); + goto drop; + } skb_queue_tail(&fnic->fip_frame_queue, skb); queue_work(fnic_fip_queue, &fnic->fip_frame_work); return 1; /* let caller know packet was used */ |