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(parent: 50b2e87) | patch
wifi: cfg80211: fix memory leak in query_regdb_file()
authorArend van Spriel <arend.vanspriel@broadcom.com>
Thu, 20 Oct 2022 11:40:40 +0000 (13:40 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Fri, 21 Oct 2022 10:35:57 +0000 (12:35 +0200)
commit57b962e627ec0ae53d4d16d7bd1033e27e67677a
treed0ea4f6ea13b07adb51ee51419bef9420465afdctree | snapshot
parent50b2e8711462409cd368c41067405aa446dfa2afcommit | diff
wifi: cfg80211: fix memory leak in query_regdb_file()

In the function query_regdb_file() the alpha2 parameter is duplicated
using kmemdup() and subsequently freed in regdb_fw_cb(). However,
request_firmware_nowait() can fail without calling regdb_fw_cb() and
thus leak memory.

Fixes: 007f6c5e6eb4 ("cfg80211: support loading regulatory database as firmware file")
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/wireless/reg.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git