| Message ID | 20210609171748.298027-1-colin.king@canonical.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | f25247d88708ff0666573541923a7339845403de |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [next] net: phy: realtek: net: Fix less than zero comparison of a u16 | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Guessed tree name to be net-next |
| netdev/subject_prefix | warning | Target tree name not specified in the subject |
| netdev/cc_maintainers | success | CCed 7 of 7 maintainers |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | warning | WARNING: line length of 104 exceeds 80 columns |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
Hello: This patch was applied to netdev/net-next.git (refs/heads/master): On Wed, 9 Jun 2021 18:17:48 +0100 you wrote: > From: Colin Ian King <colin.king@canonical.com> > > The comparisons of the u16 values priv->phycr1 and priv->phycr2 to less > than zero always false because they are unsigned. Fix this by using an > int for the assignment and less than zero check. > > Addresses-Coverity: ("Unsigned compared against 0") > Fixes: 0a4355c2b7f8 ("net: phy: realtek: add dt property to disable CLKOUT clock") > Fixes: d90db36a9e74 ("net: phy: realtek: add dt property to enable ALDPS mode") > Signed-off-by: Colin Ian King <colin.king@canonical.com> > > [...] Here is the summary with links: - [next] net: phy: realtek: net: Fix less than zero comparison of a u16 https://git.kernel.org/netdev/net-next/c/f25247d88708 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 1b844a06fe72..11be60333fa8 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -94,24 +94,25 @@ static int rtl821x_probe(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; struct rtl821x_priv *priv; + int ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - priv->phycr1 = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR1); - if (priv->phycr1 < 0) - return priv->phycr1; + ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR1); + if (ret < 0) + return ret; - priv->phycr1 &= (RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF); + priv->phycr1 = ret & (RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF); if (of_property_read_bool(dev->of_node, "realtek,aldps-enable")) priv->phycr1 |= RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF; - priv->phycr2 = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR2); - if (priv->phycr2 < 0) - return priv->phycr2; + ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR2); + if (ret < 0) + return ret; - priv->phycr2 &= RTL8211F_CLKOUT_EN; + priv->phycr2 = ret & RTL8211F_CLKOUT_EN; if (of_property_read_bool(dev->of_node, "realtek,clkout-disable")) priv->phycr2 &= ~RTL8211F_CLKOUT_EN;