diff options
| author | Dmitry Antipov <dmantipov@yandex.ru> | 2024-12-10 10:04:41 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2024-12-13 15:54:42 +0300 |
| commit | 3f4a0948c3524ae50f166dbc6572a3296b014e62 (patch) | |
| tree | 02c1f2511a2b89e4326dd7e4462de48d3e3c9f0e | |
| parent | 73e456b402faddf354ff587a859121163709ad2d (diff) | |
| download | linux-3f4a0948c3524ae50f166dbc6572a3296b014e62.tar.xz | |
wifi: brcmsmac: add gain range check to wlc_phy_iqcal_gainparams_nphy()
In 'wlc_phy_iqcal_gainparams_nphy()', add gain range check to WARN()
instead of possible out-of-bounds 'tbl_iqcal_gainparams_nphy' access.
Compile tested only.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20241210070441.836362-1-dmantipov@yandex.ru
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c index d69879e1bd87..d362c4337616 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c @@ -23423,6 +23423,9 @@ wlc_phy_iqcal_gainparams_nphy(struct brcms_phy *pi, u16 core_no, break; } + if (WARN_ON(k == NPHY_IQCAL_NUMGAINS)) + return; + params->txgm = tbl_iqcal_gainparams_nphy[band_idx][k][1]; params->pga = tbl_iqcal_gainparams_nphy[band_idx][k][2]; params->pad = tbl_iqcal_gainparams_nphy[band_idx][k][3]; |