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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6699170376
A bitset without mask in a _SET request means we want exactly the bits in
the bitset to be set. This works correctly for compact format but when
verbose format is parsed, ethnl_update_bitset32_verbose() only sets the
bits present in the request bitset but does not clear the rest. This can
cause incorrect results like
lion:~ # ethtool eth0 | grep Wake
Supports Wake-on: pumbg
Wake-on: g
lion:~ # ethtool -s eth0 wol u
lion:~ # ethtool eth0 | grep Wake
Supports Wake-on: pumbg
Wake-on: ug
when the second ethtool command issues request
ETHTOOL_MSG_WOL_SET
ETHTOOL_A_WOL_HEADER
ETHTOOL_A_HEADER_DEV_NAME = "eth0"
ETHTOOL_A_WOL_MODES
ETHTOOL_A_BITSET_NOMASK
ETHTOOL_A_BITSET_BITS
ETHTOOL_A_BITSET_BITS_BIT
ETHTOOL_BITSET_BIT_INDEX = 1
Fix the logic by clearing the whole target bitmap before we start iterating
through the request bits.
Fixes:
|
||
|---|---|---|
| .. | ||
| bitset.c | ||
| bitset.h | ||
| common.c | ||
| common.h | ||
| debug.c | ||
| ioctl.c | ||
| linkinfo.c | ||
| linkmodes.c | ||
| linkstate.c | ||
| Makefile | ||
| netlink.c | ||
| netlink.h | ||
| strset.c | ||
| wol.c | ||