| Message ID | 20210707075335.26488-1-yuehaibing@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | eca81f09145d765c21dd8fb1ba5d874ca255c32c |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net] stmmac: platform: Fix signedness bug in stmmac_probe_config_dt() | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | success | CCed 10 of 10 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 | success | total: 0 errors, 0 warnings, 0 checks, 21 lines checked |
| 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.git (refs/heads/master): On Wed, 7 Jul 2021 15:53:35 +0800 you wrote: > The "plat->phy_interface" variable is an enum and in this context GCC > will treat it as an unsigned int so the error handling is never > triggered. > > Fixes: b9f0b2f634c0 ("net: stmmac: platform: fix probe for ACPI devices") > Signed-off-by: YueHaibing <yuehaibing@huawei.com> > > [...] Here is the summary with links: - [net] stmmac: platform: Fix signedness bug in stmmac_probe_config_dt() https://git.kernel.org/netdev/net/c/eca81f09145d 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/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 072eff8079d0..5ca710844cc1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -397,6 +397,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) struct device_node *np = pdev->dev.of_node; struct plat_stmmacenet_data *plat; struct stmmac_dma_cfg *dma_cfg; + int phy_mode; void *ret; int rc; @@ -412,10 +413,11 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) eth_zero_addr(mac); } - plat->phy_interface = device_get_phy_mode(&pdev->dev); - if (plat->phy_interface < 0) - return ERR_PTR(plat->phy_interface); + phy_mode = device_get_phy_mode(&pdev->dev); + if (phy_mode < 0) + return ERR_PTR(phy_mode); + plat->phy_interface = phy_mode; plat->interface = stmmac_of_get_mac_mode(np); if (plat->interface < 0) plat->interface = plat->phy_interface;
The "plat->phy_interface" variable is an enum and in this context GCC will treat it as an unsigned int so the error handling is never triggered. Fixes: b9f0b2f634c0 ("net: stmmac: platform: fix probe for ACPI devices") Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)