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| author | Ben Hutchings <bhutchings@solarflare.com> | 2010-09-20 08:42:17 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-21 14:57:59 -0700 |
| commit | a77f5db361ed9953b5b749353ea2c7fed2bf8d93 (patch) | |
| tree | 31f9106359dd0585dc66af0f01d185d758a0dd56 | |
| parent | 6099e3dea9aaa6127cea0610533221c9e956f009 (diff) | |
| download | op-kernel-dev-a77f5db361ed9953b5b749353ea2c7fed2bf8d93.zip op-kernel-dev-a77f5db361ed9953b5b749353ea2c7fed2bf8d93.tar.gz | |
ethtool: Allocate register dump buffer with vmalloc()
Some NICs have huge register files which exceed the maximum heap
allocation size.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/core/ethtool.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 91ffce2..dae2fd0 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -815,7 +815,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) if (regs.len > reglen) regs.len = reglen; - regbuf = kmalloc(reglen, GFP_USER); + regbuf = vmalloc(reglen); if (!regbuf) return -ENOMEM; @@ -830,7 +830,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) ret = 0; out: - kfree(regbuf); + vfree(regbuf); return ret; } |
