Re: [PATCH -next] smsc911x: Fix crash seen if neither ACPI nor OF is configured or used

From: David Miller
Date: Mon Aug 17 2015 - 17:06:41 EST


From: Guenter Roeck <linux@xxxxxxxxxxxx>
Date: Mon, 17 Aug 2015 13:45:36 -0700

> Commit 0b50dc4fc971 ("Convert smsc911x to use ACPI as well as DT") makes
> the call to smsc911x_probe_config() unconditional, and no longer fails if
> there is no device node. device_get_phy_mode() is called unconditionally,
> and if there is no phy node configured returns an error code. This error
> code is assigned to phy_interface, and interpreted elsewhere in the code
> as valid phy mode. This in turn causes qemu to crash when running a
> variant of realview_pb_defconfig.
>
> qemu: hardware error: lan9118_read: Bad reg 0x86
>
> Fixes: 0b50dc4fc971 ("Convert smsc911x to use ACPI as well as DT")
> Cc: Jeremy Linton <jeremy.linton@xxxxxxx>
> Cc Graeme Gregory <graeme.gregory@xxxxxxxxxx>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>

Applied, thanks.
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