stmmac: do not call fix_mac_speed if NULL
authorGiuseppe CAVALLARO <peppe.cavallaro@st.com>
Wed, 6 Jan 2010 23:07:16 +0000 (23:07 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 8 Jan 2010 01:06:08 +0000 (17:06 -0800)
commit65818fa744e70a58d230083dda1f1cd8e5c5e2ee
tree931659e1a0b2abda76c0829f6ab826b524cebbd0
parentca5f12c1a82cf72ce73617dfc8ef56faf6fec30a
stmmac: do not call fix_mac_speed if NULL

On some platforms, fix_mac_speed is used for
configuring some sysconf registers according
to the working speed.
This patch fixes the fix_mac_speed invocation
that cannot be done if it is a NULL pointer.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/stmmac/stmmac_main.c