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| author | Ingo Molnar <mingo@kernel.org> | 2017-11-07 10:53:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-07 10:53:06 +0100 |
| commit | b3d9a136815ca9284ade2a897a3b7d2b0084c33c (patch) | |
| tree | af222e53d833ff7218577cf98e1b856d9d6bda93 /drivers/net/tun.c | |
| parent | c7da092a1f243bfd1bfb4124f538e69e941882da (diff) | |
| parent | e4880bc5dfb1f02b152e62a894b5c6f3e995b3cf (diff) | |
| download | lwn-b3d9a136815ca9284ade2a897a3b7d2b0084c33c.tar.gz lwn-b3d9a136815ca9284ade2a897a3b7d2b0084c33c.zip | |
Merge branch 'linus' into x86/asm, to pick up fixes and resolve conflicts
Conflicts:
arch/x86/kernel/cpu/Makefile
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 5550f56cb895..42bb820a56c9 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2429,6 +2429,10 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, ret = -EFAULT; break; } + if (sndbuf <= 0) { + ret = -EINVAL; + break; + } tun->sndbuf = sndbuf; tun_set_sndbuf(tun); |