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, _ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
