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openmptcprouter/6.12/target/linux/bcm27xx/patches-6.12/950-0487-brcmfmac-Only-match-complete-feature-names.patch
Ycarus (Yannick Chabanois) bdb9b0046f Add bcm27xx 6.12 test support
2024-12-20 14:17:26 +01:00

40 lines
1.5 KiB
Diff

From 82ad4f0383417fcd1a1d4d55b512662533c26234 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Mon, 5 Feb 2024 15:25:30 +0000
Subject: [PATCH 487/697] brcmfmac: Only match complete feature names
The firmware advertises its features as a string of words separated by
spaces. Ensure that feature names are only matched in their entirety.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
.../wireless/broadcom/brcm80211/brcmfmac/feature.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -44,7 +44,7 @@ static const struct brcmf_feat_fwcap brc
{ BRCMF_FEAT_DOT11H, "802.11h" },
{ BRCMF_FEAT_SAE, "sae" },
{ BRCMF_FEAT_FWAUTH, "idauth" },
- { BRCMF_FEAT_SAE_EXT, "sae_ext " },
+ { BRCMF_FEAT_SAE_EXT, "sae_ext" },
};
#ifdef DEBUG
@@ -241,7 +241,14 @@ static void brcmf_feat_firmware_capabili
brcmf_dbg(INFO, "[ %s]\n", caps);
for (i = 0; i < ARRAY_SIZE(brcmf_fwcap_map); i++) {
- if (strnstr(caps, brcmf_fwcap_map[i].fwcap_id, sizeof(caps))) {
+ const char *match = strnstr(caps, brcmf_fwcap_map[i].fwcap_id, sizeof(caps));
+ if (match) {
+ char endc;
+ if (match != caps && match[-1] != ' ')
+ continue;
+ endc = match[strlen(brcmf_fwcap_map[i].fwcap_id)];
+ if (endc != '\0' && endc != ' ')
+ continue;
id = brcmf_fwcap_map[i].feature;
brcmf_dbg(INFO, "enabling feature: %s\n",
brcmf_feat_names[id]);