NET: fec: only enable napi if we are successful

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If napi is left enabled after a failed attempt to bring the interface
up, we BUG:

fec 2188000.ethernet eth0: no PHY, assuming direct connection to switch
libphy: PHY fixed-0:00 not found
fec 2188000.ethernet eth0: could not attach to PHY
------------[ cut here ]------------
kernel BUG at include/linux/netdevice.h:502!
Internal error: Oops - BUG: 0 [#1] SMP ARM
...
PC is at fec_enet_open+0x4d0/0x500
LR is at __dev_open+0xa4/0xfc

Only enable napi after we are past all the failure paths.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Russell King 2014-02-18 12:55:42 +00:00 • committed by David S. Miller

parent d7cf0c34af

commit ce5eaf023a

1 changed files with 2 additions and 2 deletions

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4

drivers/net/ethernet/freescale/fec_main.c

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