diff options
| author | Holger Brunck <holger.brunck@hitachienergy.com> | 2026-04-29 14:42:08 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-05-02 20:14:06 +0300 |
| commit | 851bba8068d15f5a386da544096f7ed6bc16e551 (patch) | |
| tree | 99d9a9cb0709640a8aad4b1956d03a7af370b86b /drivers/net | |
| parent | 1a57efe250a13906396c2a4792f0090f142f9844 (diff) | |
| download | linux-851bba8068d15f5a386da544096f7ed6bc16e551.tar.xz | |
net: wan: fsl_ucc_hdlc: fix ucc_hdlc_remove
If the driver is used in a non tdm mode priv->utdm is a NULL pointer.
Therefore we need to check this pointer first before checking si_regs.
Fixes: c19b6d246a35 ("drivers/net: support hdlc function for QE-UCC")
Signed-off-by: Holger Brunck <holger.brunck@hitachienergy.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wan/fsl_ucc_hdlc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 8155e92af14e..15bfb78381d4 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -1250,12 +1250,12 @@ static void ucc_hdlc_remove(struct platform_device *pdev) uhdlc_memclean(priv); - if (priv->utdm->si_regs) { + if (priv->utdm && priv->utdm->si_regs) { iounmap(priv->utdm->si_regs); priv->utdm->si_regs = NULL; } - if (priv->utdm->siram) { + if (priv->utdm && priv->utdm->siram) { iounmap(priv->utdm->siram); priv->utdm->siram = NULL; } |