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mac80211_hwsim: Fix radio dump for radio idx 0 

Since 6335698e24 the radio with idx of 0
will not get dumped in HWSIM_CMD_GET_RADIO because of the last_idx
checks.  Offset cb->args[0] by 1 similarly to what is done in nl80211.c.

Fixes: 6335698e24 ("mac80211_hwsim: add generation count for netlink dump operation")
Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Andrew Zaborowski 2018-05-22 02:43:56 +02:00 committed by Johannes Berg
parent 5247a77ced
commit fed4825096
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/mac80211_hwsim.c
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@ -3340,7 +3340,7 @@ out_err:
static int hwsim_dump_radio_nl(struct sk_buff *skb, static int hwsim_dump_radio_nl(struct sk_buff *skb,
struct netlink_callback *cb) struct netlink_callback *cb)
{ {
int last_idx = cb->args[0]; int last_idx = cb->args[0] - 1;
struct mac80211_hwsim_data *data = NULL; struct mac80211_hwsim_data *data = NULL;
int res = 0; int res = 0;
void *hdr; void *hdr;
@ -3368,7 +3368,7 @@ static int hwsim_dump_radio_nl(struct sk_buff *skb,
last_idx = data->idx; last_idx = data->idx;
} }
cb->args[0] = last_idx; cb->args[0] = last_idx + 1;
/* list changed, but no new element sent, set interrupted flag */ /* list changed, but no new element sent, set interrupted flag */
if (skb->len == 0 && cb->prev_seq && cb->seq != cb->prev_seq) { if (skb->len == 0 && cb->prev_seq && cb->seq != cb->prev_seq) {