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Date: Sat, 17 Aug 2013 01:07:53 +0200 From: Peter Wu <lekensteyn@...il.com> To: Ben Hutchings <bhutchings@...arflare.com>, Francois Romieu <romieu@...zoreil.com> Cc: lekensteyn@...il.com, netdev@...r.kernel.org Subject: [PATCH] r8169,sis190: remove unnecessary length check The ethtool core will lower the requested length to the one returned by get_regs_len, therefore no additional check is needed in the get_regs function. Reported-by: Ben Hutchings <bhutchings@...arflare.com> Signed-off-by: Peter Wu <lekensteyn@...il.com> --- Hi, This was observed by Ben[1] while reviewing my other r8169 register dump patch. I have combined the r8169 and sis190 patches since they were trivial and both maintained by Francois. Let me know if you prefer to split this trivial patch up. Regards, Peter [1]: http://www.spinics.net/lists/netdev/msg246690.html --- drivers/net/ethernet/realtek/r8169.c | 3 --- drivers/net/ethernet/sis/sis190.c | 3 --- 2 files changed, 6 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index b5eb419..93ee49d 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1898,9 +1898,6 @@ static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, { struct rtl8169_private *tp = netdev_priv(dev); - if (regs->len > R8169_REGS_SIZE) - regs->len = R8169_REGS_SIZE; - rtl_lock_work(tp); memcpy_fromio(p, tp->mmio_addr, regs->len); rtl_unlock_work(tp); diff --git a/drivers/net/ethernet/sis/sis190.c b/drivers/net/ethernet/sis/sis190.c index 02df089..ee18e6f 100644 --- a/drivers/net/ethernet/sis/sis190.c +++ b/drivers/net/ethernet/sis/sis190.c @@ -1770,9 +1770,6 @@ static void sis190_get_regs(struct net_device *dev, struct ethtool_regs *regs, struct sis190_private *tp = netdev_priv(dev); unsigned long flags; - if (regs->len > SIS190_REGS_SIZE) - regs->len = SIS190_REGS_SIZE; - spin_lock_irqsave(&tp->lock, flags); memcpy_fromio(p, tp->mmio_addr, regs->len); spin_unlock_irqrestore(&tp->lock, flags); -- 1.8.3.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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