diff options
| author | Krzysztof Oledzki <olel@ans.pl> | 2008-03-04 14:56:23 -0800 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2008-03-24 11:47:42 -0700 |
| commit | 282dac698e338351d3b9fb9db2739fe07e1c2ef9 (patch) | |
| tree | 81b36b290d7fbab24f8db5bce6a87fa8e82cfb90 | |
| parent | 94429518999e4e6b8f84807afa4bf089a63da0b4 (diff) | |
SCSI: mpt fusion: don't oops if NumPhys==0
Don't oops if NumPhys==0, instead return -ENODEV.
This patch fixes http://bugzilla.kernel.org/show_bug.cgi?id=9909
Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl>
Acked-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/message/fusion/mptsas.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index e4c94f93de16..c8d3ffb425be 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1699,6 +1699,11 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, if (error) goto out_free_consistent; + if (!buffer->NumPhys) { + error = -ENODEV; + goto out_free_consistent; + } + /* save config data */ port_info->num_phys = buffer->NumPhys; port_info->phy_info = kcalloc(port_info->num_phys, |