diff options
| 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 /net/core | |
| parent | ethtool: Add Ethernet MAC-level filtering/steering (diff) | |
| download | linux-dev-a77f5db361ed9953b5b749353ea2c7fed2bf8d93.tar.xz linux-dev-a77f5db361ed9953b5b749353ea2c7fed2bf8d93.zip | |
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>
Diffstat (limited to 'net/core')
| -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 91ffce20c36b..dae2fd053c2b 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; } |