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| author | Zumeng Chen <zumeng.chen@gmail.com> | 2018-12-19 08:50:29 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2019-01-10 12:31:43 +0100 |
| commit | ba2ffc96321c8433606ceeb85c9e722b8113e5a7 (patch) | |
| tree | 916271513b41be6e404ac09a0c36c0b57119d7fb | |
| parent | brcmsmac: remove set but not used variables 'phybw40, maxtargetpwr' (diff) | |
| download | linux-ba2ffc96321c8433606ceeb85c9e722b8113e5a7.tar.xz linux-ba2ffc96321c8433606ceeb85c9e722b8113e5a7.zip | |
wlcore: Fix memory leak in case wl12xx_fetch_firmware failure
Release fw_status, raw_fw_status, and tx_res_if when wl12xx_fetch_firmware
failed instead of meaningless goto out to avoid the following memory leak
reports(Only the last one listed):
unreferenced object 0xc28a9a00 (size 512):
comm "kworker/0:4", pid 31298, jiffies 2783204 (age 203.290s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<6624adab>] kmemleak_alloc+0x40/0x74
[<500ddb31>] kmem_cache_alloc_trace+0x1ac/0x270
[<db4d731d>] wl12xx_chip_wakeup+0xc4/0x1fc [wlcore]
[<76c5db53>] wl1271_op_add_interface+0x4a4/0x8f4 [wlcore]
[<cbf30777>] drv_add_interface+0xa4/0x1a0 [mac80211]
[<65bac325>] ieee80211_reconfig+0x9c0/0x1644 [mac80211]
[<2817c80e>] ieee80211_restart_work+0x90/0xc8 [mac80211]
[<7e1d425a>] process_one_work+0x284/0x42c
[<55f9432e>] worker_thread+0x2fc/0x48c
[<abb582c6>] kthread+0x148/0x160
[<63144b13>] ret_from_fork+0x14/0x2c
[< (null)>] (null)
[<1f6e7715>] 0xffffffff
Signed-off-by: Zumeng Chen <zumeng.chen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 26b187336875..2e12de813a5b 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -1085,8 +1085,11 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) goto out; ret = wl12xx_fetch_firmware(wl, plt); - if (ret < 0) - goto out; + if (ret < 0) { + kfree(wl->fw_status); + kfree(wl->raw_fw_status); + kfree(wl->tx_res_if); + } out: return ret; |