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<h5>This is an old version with a typo (pi->pubri <span
class="YPkS7KbdpWfGdYKd3QB9" data-src-align="10:6"
style="white-space: pre-wrap;">instead pi->pubpi</span>).
Please ignore it; the corrected v2 has been sent.</h5>
<div class="moz-cite-prefix">29.07.2026 10:40, Dmitriy Okunev пишет:<br>
</div>
<blockquote type="cite"
cite="mid:20260729074059.11128-1-dmitriy.okunev@red-soft.ru">
<pre wrap="" class="moz-quote-pre">Pointer regs_2057_ptr may remain NULL if the device reports unsupported
phy/radio revisions. This could lead to NULL dereference. Add a check to prevent it.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitriy Okunev <a class="moz-txt-link-rfc2396E" href="mailto:dmitriy.okunev@red-soft.ru"><dmitriy.okunev@red-soft.ru></a>
---
drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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 86cfa3e87a04..54a2a704e86c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c
@@ -19760,7 +19760,10 @@ static void wlc_phy_radio_init_2057(struct brcms_phy *pi)
}
}
- wlc_phy_init_radio_regs_allbands(pi, regs_2057_ptr);
+ if(regs_2057_ptr)
+ wlc_phy_init_radio_regs_allbands(pi, regs_2057_ptr);
+ else
+ pr_err("%s: Unsupported radio registers for phy rev %d, radio rev %d\n", __func__, pi->pubri.phy_rev, pi->pubri.radiorev);
}
static u16 wlc_phy_radio205x_rcal(struct brcms_phy *pi)
</pre>
</blockquote>
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