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authorRafał Miłecki <rafal@milecki.pl>2019-09-09 09:37:53 +0200
committerRafał Miłecki <rafal@milecki.pl>2019-09-09 10:29:01 +0200
commitc7f710e4744eb36cedd452129ee2c315dd6e92c9 (patch)
tree7020410d0269df0a3f939cb5810fee9626773ae3 /package/kernel/mac80211/patches/brcm/388-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch
parent6d2044d62f85b190d6279bf634efd00d55b28669 (diff)
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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/brcm/388-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch')
-rw-r--r--package/kernel/mac80211/patches/brcm/388-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/brcm/388-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch b/package/kernel/mac80211/patches/brcm/388-v5.4-brcmfmac-replace-strncpy-by-strscpy.patch
new file mode 100644
index 0000000000..aad5c428fb
--- /dev/null
+++ b/package/kernel/mac80211/patches/brcm/388-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
+@@ -4236,9 +4236,7 @@ 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]);
+