Re: [PATCH] phy: ti: gmii-sel: check of_get_address() for failure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 





On 14/09/2021 14:00, Dan Carpenter wrote:
Smatch complains that if of_get_address() returns NULL, then "size"
isn't initialized.  Also it would lead to an Oops.

Fixes: 7f78322cdd67 ("phy: ti: gmii-sel: retrieve ports number and base offset from dt")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
  drivers/phy/ti/phy-gmii-sel.c | 2 ++
  1 file changed, 2 insertions(+)

Thank you.
Reviewed-by: Grygorii Strashko <grygorii.strashko@xxxxxx>


diff --git a/drivers/phy/ti/phy-gmii-sel.c b/drivers/phy/ti/phy-gmii-sel.c
index 5fd2e8a08bfc..d0ab69750c6b 100644
--- a/drivers/phy/ti/phy-gmii-sel.c
+++ b/drivers/phy/ti/phy-gmii-sel.c
@@ -320,6 +320,8 @@ static int phy_gmii_sel_init_ports(struct phy_gmii_sel_priv *priv)
  		u64 size;
offset = of_get_address(dev->of_node, 0, &size, NULL);
+		if (!offset)
+			return -EINVAL;
  		priv->num_ports = size / sizeof(u32);
  		if (!priv->num_ports)
  			return -EINVAL;


--
Best regards,
grygorii



[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux