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| author | Krzysztof Oledzki <olel@ans.pl> | 2008-03-04 23:56:23 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-03-05 21:57:57 +0100 |
| commit | 51f39eae14b4874618e73281c236e3a1c1572d4d (patch) | |
| tree | 1835811c57a5022f8f0724d00fa57abcf3e744c7 /drivers/message/fusion | |
| parent | [SCSI] iscsi class: regression - fix races with state manipulation and blocki... (diff) | |
| download | linux-51f39eae14b4874618e73281c236e3a1c1572d4d.tar.xz linux-51f39eae14b4874618e73281c236e3a1c1572d4d.zip | |
[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>
Diffstat (limited to 'drivers/message/fusion')
| -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 f77b329f6923..78734e25edd5 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1701,6 +1701,11 @@ 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, |