2018-11-13 19:22:38

by James Prestwood

[permalink] [raw]
Subject: [PATCH] mac80211_hwsim: fixes kernel crash during mac80211_hwsim init

Creating radios during startup follows a different code path than
HWSIM_CMD_NEW_RADIO. The problem was that param.iftypes was not
being set to the deafult before calling mac80211_hwsim_new_radio

Signed-off-by: James Prestwood <[email protected]>
---
drivers/net/wireless/mac80211_hwsim.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 4033a800b209..2a5a133f23cf 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3884,6 +3884,7 @@ static int __init init_mac80211_hwsim(void)

param.p2p_device = support_p2p_device;
param.use_chanctx = channels > 1;
+ param.iftypes = HWSIM_IFTYPE_SUPPORT_MASK;

err = mac80211_hwsim_new_radio(NULL, &param);
if (err < 0)
--
2.17.1