From: Keita Suzuki <keitasuzuki.p...@sslab.ics.keio.ac.jp>

[ Upstream commit f4443293d741d1776b86ed1dd8c4e4285d0775fc ]

When wlc_phy_txpwr_srom_read_lcnphy fails in wlc_phy_attach_lcnphy,
the allocated pi->u.pi_lcnphy is leaked, since struct brcms_phy will be
freed in the caller function.

Fix this by calling wlc_phy_detach_lcnphy in the error handler of
wlc_phy_txpwr_srom_read_lcnphy before returning.

Signed-off-by: Keita Suzuki <keitasuzuki.p...@sslab.ics.keio.ac.jp>
Signed-off-by: Kalle Valo <kv...@codeaurora.org>
Link: 
https://lore.kernel.org/r/20200908121743.23108-1-keitasuzuki.p...@sslab.ics.keio.ac.jp
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 .../net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c
index 7ef36234a25dc..66797dc5e90d5 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c
@@ -5065,8 +5065,10 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi)
        pi->pi_fptr.radioloftget = wlc_lcnphy_get_radio_loft;
        pi->pi_fptr.detach = wlc_phy_detach_lcnphy;
 
-       if (!wlc_phy_txpwr_srom_read_lcnphy(pi))
+       if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) {
+               kfree(pi->u.pi_lcnphy);
                return false;
+       }
 
        if (LCNREV_IS(pi->pubpi.phy_rev, 1)) {
                if (pi_lcn->lcnphy_tempsense_option == 3) {
-- 
2.25.1

Reply via email to