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868fd970e1
Smatch complains:
data_tx.c:37 wfx_get_hw_rate() warn: constraint '(struct ieee80211_supported_band)->bitrates' overflow 'band->bitrates' 0 <= abs_rl '0-127' user_rl '' required = '(struct ieee80211_supported_band)->n_bitrates'
23 struct ieee80211_supported_band *band;
24
25 if (rate->idx < 0)
26 return -1;
27 if (rate->flags & IEEE80211_TX_RC_MCS) {
28 if (rate->idx > 7) {
29 WARN(1, "wrong rate->idx value: %d", rate->idx);
30 return -1;
31 }
32 return rate->idx + 14;
33 }
34 // WFx only support 2GHz, else band information should be retrieved
35 // from ieee80211_tx_info
36 band = wdev->hw->wiphy->bands[NL80211_BAND_2GHZ];
37 return band->bitrates[rate->idx].hw_value;
Add a simple check to make Smatch happy.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201009171307.864608-9-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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|---|---|---|
| .. | ||
| Documentation/devicetree/bindings/net/wireless | ||
| bh.c | ||
| bh.h | ||
| bus_sdio.c | ||
| bus_spi.c | ||
| bus.h | ||
| data_rx.c | ||
| data_rx.h | ||
| data_tx.c | ||
| data_tx.h | ||
| debug.c | ||
| debug.h | ||
| fwio.c | ||
| fwio.h | ||
| hif_api_cmd.h | ||
| hif_api_general.h | ||
| hif_api_mib.h | ||
| hif_rx.c | ||
| hif_rx.h | ||
| hif_tx_mib.c | ||
| hif_tx_mib.h | ||
| hif_tx.c | ||
| hif_tx.h | ||
| hwio.c | ||
| hwio.h | ||
| Kconfig | ||
| key.c | ||
| key.h | ||
| main.c | ||
| main.h | ||
| Makefile | ||
| queue.c | ||
| queue.h | ||
| scan.c | ||
| scan.h | ||
| sta.c | ||
| sta.h | ||
| TODO | ||
| traces.h | ||
| wfx.h | ||