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authorStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
commitd15d0b7a9f89cf5a905ad6802eb23100c8063939 (patch)
tree84caa660dc73842efa29e116dcb3e32aa81a5cf0 /drivers/net/ethernet/marvell/skge.c
parente9dcc568b2e968af848bbdb4267ba6cde5457b9e (diff)
parent858848641fbecd42437e36adc9291b0ce5db379e (diff)
Merge tag 'v4.19.50-rt22' into toradex_4.19.y-rt
Linux 4.19.50-rt22
Diffstat (limited to 'drivers/net/ethernet/marvell/skge.c')
-rw-r--r--drivers/net/ethernet/marvell/skge.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 9c08c3650c02..15dea48e0195 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -152,8 +152,10 @@ static void skge_get_regs(struct net_device *dev, struct ethtool_regs *regs,
memset(p, 0, regs->len);
memcpy_fromio(p, io, B3_RAM_ADDR);
- memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1,
- regs->len - B3_RI_WTO_R1);
+ if (regs->len > B3_RI_WTO_R1) {
+ memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1,
+ regs->len - B3_RI_WTO_R1);
+ }
}
/* Wake on Lan only supported on Yukon chips with rev 1 or above */