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| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2020-09-18 04:07:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-18 13:52:34 -0700 |
| commit | d1cc0e932039cc40357baf037ab403d1d2e228fd (patch) | |
| tree | c156bc3b48b2cb7e4a68b360c3765c943bacff64 /drivers/net/dsa | |
| parent | c9d4b2cf16021d1f65e764f4035d7d1616e3bda3 (diff) | |
| download | linux-d1cc0e932039cc40357baf037ab403d1d2e228fd.tar.gz linux-d1cc0e932039cc40357baf037ab403d1d2e228fd.tar.bz2 linux-d1cc0e932039cc40357baf037ab403d1d2e228fd.zip | |
net: mscc: ocelot: error checking when calling ocelot_init()
ocelot_init() allocates memory, resets the switch and polls for a status
register, things which can fail. Stop probing the driver in that case,
and propagate the error result.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/ocelot/felix.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 04bfa6e465ff..66da447c4096 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -585,7 +585,10 @@ static int felix_setup(struct dsa_switch *ds) if (err) return err; - ocelot_init(ocelot); + err = ocelot_init(ocelot); + if (err) + return err; + if (ocelot->ptp) { err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info); if (err) { |