mac80211: backport brcmfmac changes from 2016-09-26

[openwrt/staging/mkresin.git] / package / kernel / mac80211 / patches / 319-0023-brcmfmac-initialize-variable-in-brcmf_sdiod_regrl.patch

diff --git a/package/kernel/mac80211/patches/319-0023-brcmfmac-initialize-variable-in-brcmf_sdiod_regrl.patch b/package/kernel/mac80211/patches/319-0023-brcmfmac-initialize-variable-in-brcmf_sdiod_regrl.patch
new file mode 100644 (file)
index 0000000..a231100
--- /dev/null
+++ b/package/kernel/mac80211/patches/319-0023-brcmfmac-initialize-variable-in-brcmf_sdiod_regrl.patch
@@ -0,0 +1,28 @@
+From 26305d3d7298d1ddf8fd4ce95a382aa90534f0a3 Mon Sep 17 00:00:00 2001
+From: Arend Van Spriel <arend.vanspriel@broadcom.com>
+Date: Mon, 19 Sep 2016 12:09:54 +0100
+Subject: [PATCH] brcmfmac: initialize variable in brcmf_sdiod_regrl()
+
+In case of an error the variable returned is uninitialized. The caller
+will probably check the error code before using it, but better assure
+it is set to zero.
+
+Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
+Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
+Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+@@ -420,7 +420,7 @@ u8 brcmf_sdiod_regrb(struct brcmf_sdio_d
+ 
+ u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
+ {
+-      u32 data;
++      u32 data = 0;
+       int retval;
+ 
+       brcmf_dbg(SDIO, "addr:0x%08x\n", addr);