Commit 51f39eae authored Mar 04, 2008 by Krzysztof Oledzki Committed by James Bottomley Mar 05, 2008

[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>

parent 45ab33b6

drivers/message/fusion/mptsas.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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,