Messages in this thread Patch in this message | | | Date | Fri, 21 Mar 2008 15:43:52 -0700 | From | Chris Wright <> | Subject | [patch 62/76] SCSI: mpt fusion: dont oops if NumPhys==0 |
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-stable review patch. If anyone has any objections, please let us know. ---------------------
From: Krzysztof Oledzki <olel@ans.pl>
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> --- drivers/message/fusion/mptsas.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1699,6 +1699,11 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc 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, --
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