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authorHauke Mehrtens <hauke@hauke-m.de>2013-09-16 00:49:08 +0400
committerDavid S. Miller <davem@davemloft.net>2013-09-17 05:30:59 +0400
commit3647268dedfe95945be05c9dde2bdbda7cfc6e91 (patch)
tree2e3aad83509bf0d8275fa5b78d3e5f99ac5853e2 /drivers/net/ethernet/broadcom/bgmac.c
parent6a391e7bf26c04a6df5f77290e1146941d210d49 (diff)
downloadlinux-3647268dedfe95945be05c9dde2bdbda7cfc6e91.tar.xz
bgmac: allow bigger et_swtype nvram variable
Without this patch it is impossible to read et_swtype, because the 1 byte space is needed for the terminating null byte. The max expected value is 0xF, so now it should be possible to read decimal form ("15") and hex form ("0xF"). Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.c')
-rw-r--r--drivers/net/ethernet/broadcom/bgmac.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 1c6bc9678774..59f3e0ce56df 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -909,9 +909,9 @@ static void bgmac_chip_reset(struct bgmac *bgmac)
u8 et_swtype = 0;
u8 sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHY |
BGMAC_CHIPCTL_1_IF_TYPE_MII;
- char buf[2];
+ char buf[4];
- if (bcm47xx_nvram_getenv("et_swtype", buf, 1) > 0) {
+ if (bcm47xx_nvram_getenv("et_swtype", buf, sizeof(buf)) > 0) {
if (kstrtou8(buf, 0, &et_swtype))
bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n",
buf);