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[SCSI] mpt fusion: don't oops if NumPhys==0

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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>
This commit is contained in:
Krzysztof Oledzki 2008-03-04 14:56:23 -08:00 committed by James Bottomley
parent 45ab33b6c1
commit 51f39eae14
1 changed files with 5 additions and 0 deletions
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5
drivers/message/fusion/mptsas.c
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@ -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,