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| author | Joe Eykholt <jeykholt@cisco.com> | 2009-08-25 14:02:43 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-09-10 12:07:52 -0500 |
| commit | 81a67b9717d9e4f81bed7d1f2df6ba86aaab9ad9 (patch) | |
| tree | 92c6e4bd45b71f48e8db60996bda724ef79246ad | |
| parent | 3667d7e7f7bb63a394f73a671fdaf4a187aa858e (diff) | |
| download | op-kernel-dev-81a67b9717d9e4f81bed7d1f2df6ba86aaab9ad9.zip op-kernel-dev-81a67b9717d9e4f81bed7d1f2df6ba86aaab9ad9.tar.gz | |
[SCSI] libfc: discovery gpn_ft parse bug
In fc_disc_gpn_ft_parse(), after fc_disc_done() is called, the
disc state is changed by setting buf_len = 0. This is wrong
since the discovery may have restarted. Instead, return
after calling fc_disc_done.
Also, return an error on memory allocation failure.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/libfc/fc_disc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 3efdbba..a2410dc 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -479,6 +479,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) plen = len; np = (struct fc_gpn_ft_resp *)bp; tlen = disc->buf_len; + disc->buf_len = 0; if (tlen) { WARN_ON(tlen >= sizeof(*np)); plen = sizeof(*np) - tlen; @@ -519,10 +520,12 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) rdata = lport->tt.rport_create(lport, &ids); if (rdata) rdata->disc_id = disc->disc_id; - else + else { printk(KERN_WARNING "libfc: Failed to allocate " "memory for the newly discovered port " "(%6x)\n", ids.port_id); + error = -ENOMEM; + } } if (np->fp_flags & FC_NS_FID_LAST) { @@ -546,8 +549,6 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) memcpy(&disc->partial_buf, np, len); } disc->buf_len = (unsigned char) len; - } else { - disc->buf_len = 0; } return error; } |
