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| author | Rafał Miłecki <rafal@milecki.pl> | 2019-09-09 09:37:53 +0200 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2019-09-09 12:57:56 +0200 |
| commit | 7393ce8d87d2a06deb231dc1e0ddb46330f9897b (patch) | |
| tree | e0745c5f095aa518a0155218af7cb3f32059c531 /package/kernel/mac80211/patches/473-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch | |
| parent | f6de1fa6c6b69ac6282f453f61c894695d11f433 (diff) | |
| download | upstream-7393ce8d87d2a06deb231dc1e0ddb46330f9897b.tar.gz upstream-7393ce8d87d2a06deb231dc1e0ddb46330f9897b.tar.bz2 upstream-7393ce8d87d2a06deb231dc1e0ddb46330f9897b.zip | |
mac80211: brcmfmac: backport more kernel 5.4 changes
Patch getting RAM info got upstreamed. A debugging fs entry for testing
reset feature was added.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 681acdcc54d2e59135bb706c38bed942f74ccf74)
Diffstat (limited to 'package/kernel/mac80211/patches/473-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/473-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/473-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch b/package/kernel/mac80211/patches/473-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch new file mode 100644 index 0000000000..5c9f3f687b --- /dev/null +++ b/package/kernel/mac80211/patches/473-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch @@ -0,0 +1,36 @@ +From 5f42b382ead278c1f6c3854765c97eb20491aa2a Mon Sep 17 00:00:00 2001 +From: Xulin Sun <xulin.sun@windriver.com> +Date: Fri, 23 Aug 2019 15:47:08 +0800 +Subject: [PATCH] brcmfmac: replace strncpy() by strscpy() + +The strncpy() may truncate the copied string, +replace it by the safer strscpy(). + +To avoid below compile warning with gcc 8.2: + +drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:In function 'brcmf_vndr_ie': +drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:4227:2: +warning: 'strncpy' output truncated before terminating nul copying 3 bytes from a string of the same length [-Wstringop-truncation] + strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); + ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Signed-off-by: Xulin Sun <xulin.sun@windriver.com> +Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +@@ -4246,9 +4246,7 @@ next: + static u32 + brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) + { +- +- strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); +- iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; ++ strscpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN); + + put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]); + |