Commit 58531931 authored Aug 09, 2019 by Anton Ivanov Committed by Richard Weinberger Sep 15, 2019

um: Add checks to mtu parameter parsing



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>

parent 77f1073c

arch/um/drivers/vector_kern.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -121,6 +121,7 @@ static int get_mtu(struct arglist *def)

		if (mtu != NULL) {
		if (kstrtoul(mtu, 10, &result) == 0)
		if ((result < (1 << 16) - 1) && (result >= 576))
		return result;
		}
		return ETH_MAX_PACKET;