The patch titled
mpt fusion: don't oops if NumPhys==0
has been added to the -mm tree. Its filename is
mpt-fusion-dont-oops-if-numphys==0.patch
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------------------------------------------------------
Subject: mpt fusion: don't oops if NumPhys==0
From: Krzysztof Oledzki <olel@xxxxxx>
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@xxxxxx>
Cc: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: Eric Moore <Eric.Moore@xxxxxxx>
Cc: Sathya Prakash <sathya.prakash@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/message/fusion/mptsas.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN drivers/message/fusion/mptsas.c~mpt-fusion-dont-oops-if-numphys==0 drivers/message/fusion/mptsas.c
--- a/drivers/message/fusion/mptsas.c~mpt-fusion-dont-oops-if-numphys==0
+++ a/drivers/message/fusion/mptsas.c
@@ -1701,6 +1701,11 @@ 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,
_
Patches currently in -mm which might be from olel@xxxxxx are
mpt-fusion-dont-oops-if-numphys==0.patch
-
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