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Diffstat (limited to 'net/core/ethtool.c')
-rw-r--r--net/core/ethtool.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 29edf74846fc..b6bca625b0d2 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -886,9 +886,12 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
886 if (regs.len > reglen) 886 if (regs.len > reglen)
887 regs.len = reglen; 887 regs.len = reglen;
888 888
889 regbuf = vzalloc(reglen); 889 regbuf = NULL;
890 if (reglen && !regbuf) 890 if (reglen) {
891 return -ENOMEM; 891 regbuf = vzalloc(reglen);
892 if (!regbuf)
893 return -ENOMEM;
894 }
892 895
893 ops->get_regs(dev, &regs, regbuf); 896 ops->get_regs(dev, &regs, regbuf);
894 897