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| author | Rafał Miłecki <zajec5@gmail.com> | 2016-01-10 01:30:13 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2016-01-10 01:30:13 +0000 |
| commit | 1f13935e70421827c2f1f4d44b8848397e769729 (patch) | |
| tree | 94a89e9912e0b67651c79c2b5e81ee96fa35f7b5 /package/kernel/mac80211/patches/377-brcmfmac-only-lock-and-unlock-fws-if-fws-is-not-null.patch | |
| parent | acad802bceb2d41e003c07a0f17d800151ba7975 (diff) | |
| download | upstream-1f13935e70421827c2f1f4d44b8848397e769729.tar.gz upstream-1f13935e70421827c2f1f4d44b8848397e769729.tar.bz2 upstream-1f13935e70421827c2f1f4d44b8848397e769729.zip | |
mac80211: brcmfmac: add beamforming support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@48168 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/kernel/mac80211/patches/377-brcmfmac-only-lock-and-unlock-fws-if-fws-is-not-null.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/377-brcmfmac-only-lock-and-unlock-fws-if-fws-is-not-null.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/377-brcmfmac-only-lock-and-unlock-fws-if-fws-is-not-null.patch b/package/kernel/mac80211/patches/377-brcmfmac-only-lock-and-unlock-fws-if-fws-is-not-null.patch new file mode 100644 index 0000000000..8ec1441f81 --- /dev/null +++ b/package/kernel/mac80211/patches/377-brcmfmac-only-lock-and-unlock-fws-if-fws-is-not-null.patch @@ -0,0 +1,30 @@ +From: Colin Ian King <colin.king@canonical.com> +Date: Wed, 2 Dec 2015 11:45:10 +0000 +Subject: [PATCH] brcmfmac: only lock and unlock fws if fws is not null + +There is a null ptr check for fws to set bcmc_credit_check, however, +there a lock and unlock on fws should only performed if fwts is +also not null to also avoid a potential null pointer deference. + +Signed-off-by: Colin Ian King <colin.king@canonical.com> +Acked-by: Arend van Spriel <arend@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +@@ -1609,10 +1609,11 @@ static int brcmf_fws_notify_bcmc_credit_ + { + struct brcmf_fws_info *fws = ifp->drvr->fws; + +- brcmf_fws_lock(fws); +- if (fws) ++ if (fws) { ++ brcmf_fws_lock(fws); + fws->bcmc_credit_check = true; +- brcmf_fws_unlock(fws); ++ brcmf_fws_unlock(fws); ++ } + return 0; + } + |