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| author | Krishna Gudipati <kgudipat@brocade.com> | 2011-12-20 18:54:30 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-01-10 17:01:23 -0600 |
| commit | 6bc6204e3b7f4ac235e98e362714213369d6a012 (patch) | |
| tree | e390f206bf9583446e22ab70408f5f70c2e4a08c /drivers/scsi | |
| parent | f1633011e4fcb65bf65aebeaf4024efdc4c49d6e (diff) | |
| download | linux-6bc6204e3b7f4ac235e98e362714213369d6a012.tar.gz linux-6bc6204e3b7f4ac235e98e362714213369d6a012.tar.bz2 linux-6bc6204e3b7f4ac235e98e362714213369d6a012.zip | |
[SCSI] bfa: Fix possible NULL pointer dereference in lunmask add/delete.
Patch fixes the possible NULL pointer dereference when we try to add or delete
a rpwwn to the lunmask config which is not zoned to this port. Check if the
FCS rport is not NULL before de-referencing it.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcpim.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c index e07bd4745d8b..846f15b6e1d8 100644 --- a/drivers/scsi/bfa/bfa_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcpim.c @@ -2647,7 +2647,8 @@ bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, if (port) { *pwwn = port->port_cfg.pwwn; rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); - rp = rp_fcs->bfa_rport; + if (rp_fcs) + rp = rp_fcs->bfa_rport; } lunm_list = bfa_get_lun_mask_list(bfa); @@ -2715,7 +2716,8 @@ bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, if (port) { *pwwn = port->port_cfg.pwwn; rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); - rp = rp_fcs->bfa_rport; + if (rp_fcs) + rp = rp_fcs->bfa_rport; } } |