From: Arnd Bergmann <>
Date: Tue, 18 Oct 2016 00:16:15 +0200

> In some rare configurations, we get a warning about the 'index' variable
> being used without an initialization:
> drivers/net/ethernet/rocker/rocker_ofdpa.c: In function 
> ‘ofdpa_port_fib_ipv4.isra.16.constprop’:
> drivers/net/ethernet/rocker/rocker_ofdpa.c:2425:92: warning: ‘index’ may be 
> used uninitialized in this function [-Wmaybe-uninitialized]
> This is a false positive, the logic is just a bit too complex for gcc
> to follow here. Moving the intialization of 'index' a little further
> down makes it clear to gcc that the function always returns an error
> if it is not initialized.
> Signed-off-by: Arnd Bergmann <>


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