public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

um: Add checks to mtu parameter parsing

Browse source 
Adds a sanity check to the parsing of mtu command line param

Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Anton Ivanov 2019-08-09 08:40:19 +01:00 • committed by Richard Weinberger
parent 77f1073c2c
commit 5853193103
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
arch/um/drivers/vector_kern.c
View file

@ -121,7 +121,8 @@ static int get_mtu(struct arglist *def)
if (mtu != NULL) { if (mtu != NULL) {
if (kstrtoul(mtu, 10, &result) == 0) if (kstrtoul(mtu, 10, &result) == 0)
return result; if ((result < (1 << 16) - 1) && (result >= 576))
return result;
} }
return ETH_MAX_PACKET; return ETH_MAX_PACKET;
} }