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| author | Antoine Tenart <antoine.tenart@bootlin.com> | 2019-08-21 16:41:23 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-21 13:58:15 -0700 |
| commit | 2d683eaaeeb9d33d23674ae635e0ef1448523d18 (patch) | |
| tree | d51f1f46b8cfb1483a8b813393f194fe251118e6 | |
| parent | 6e2866a9dfc63ca86290ad789961239de1b25a80 (diff) | |
| download | linux-stable-2d683eaaeeb9d33d23674ae635e0ef1448523d18.tar.gz linux-stable-2d683eaaeeb9d33d23674ae635e0ef1448523d18.tar.bz2 linux-stable-2d683eaaeeb9d33d23674ae635e0ef1448523d18.zip | |
net: cpsw: fix NULL pointer exception in the probe error path
In certain cases when the probe function fails the error path calls
cpsw_remove_dt() before calling platform_set_drvdata(). This is an
issue as cpsw_remove_dt() uses platform_get_drvdata() to retrieve the
cpsw_common data and leds to a NULL pointer exception. This patches
fixes it by calling platform_set_drvdata() earlier in the probe.
Fixes: 83a8471ba255 ("net: ethernet: ti: cpsw: refactor probe to group common hw initialization")
Reported-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 32a89744972d..a46b8b2e44e1 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2775,6 +2775,7 @@ static int cpsw_probe(struct platform_device *pdev) if (!cpsw) return -ENOMEM; + platform_set_drvdata(pdev, cpsw); cpsw->dev = dev; mode = devm_gpiod_get_array_optional(dev, "mode", GPIOD_OUT_LOW); @@ -2879,7 +2880,6 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_cpts; } - platform_set_drvdata(pdev, cpsw); priv = netdev_priv(ndev); priv->cpsw = cpsw; priv->ndev = ndev; |