Message ID | 20220325213518.2668832-5-michael@walle.cc (mailing list archive) |
---|---|
State | RFC |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | net: phy: C45-over-C22 access | expand |
Context | Check | Description |
---|---|---|
netdev/tree_selection | success | Clearly marked for net-next |
netdev/fixes_present | success | Fixes tag not required for -next series |
netdev/subject_prefix | success | Link |
netdev/cover_letter | success | Series has a cover letter |
netdev/patch_count | success | Link |
netdev/header_inline | success | No static functions without inline keyword in header files |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/cc_maintainers | success | CCed 7 of 7 maintainers |
netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
netdev/module_param | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
netdev/verify_fixes | success | No Fixes tag |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 28 lines checked |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/source_inline | success | Was 0 now: 0 |
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c index dd9b6b64757d..2a300c58d1e5 100644 --- a/drivers/net/phy/phy-core.c +++ b/drivers/net/phy/phy-core.c @@ -493,8 +493,11 @@ int __phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum) } else { struct mii_bus *bus = phydev->mdio.bus; int phy_addr = phydev->mdio.addr; + int ret; - __phy_mmd_indirect(bus, phy_addr, devad, regnum); + ret = __phy_mmd_indirect(bus, phy_addr, devad, regnum); + if (ret) + return ret; /* Read the content of the MMD's selected register */ val = __mdiobus_read(bus, phy_addr, MII_MMD_DATA); @@ -550,12 +553,12 @@ int __phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val) struct mii_bus *bus = phydev->mdio.bus; int phy_addr = phydev->mdio.addr; - __phy_mmd_indirect(bus, phy_addr, devad, regnum); + ret = __phy_mmd_indirect(bus, phy_addr, devad, regnum); + if (ret) + return ret; /* Write the data into MMD's selected register */ - __mdiobus_write(bus, phy_addr, MII_MMD_DATA, val); - - ret = 0; + ret = __mdiobus_write(bus, phy_addr, MII_MMD_DATA, val); } return ret; }
Now that __phy_mmd_indirect() returns an error code, check it and additionally check the error code of the last read or write access. Signed-off-by: Michael Walle <michael@walle.cc> --- drivers/net/phy/phy-core.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)