Commit 237ce2e6 authored Feb 16, 2020 by Sjoerd Simons Committed by Richard Weinberger Mar 29, 2020

um: vector: Avoid NULL ptr deference if transport is unset



When the transport option of a vec isn't set strncmp ends up being
called on a NULL pointer. Better not do that.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

parent 33631793

arch/um/drivers/vector_kern.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -197,6 +197,9 @@ static int get_transport_options(struct arglist *def)
		long parsed;
		int result = 0;

		if (transport == NULL)
		return -EINVAL;

		if (vector != NULL) {
		if (kstrtoul(vector, 10, &parsed) == 0) {
		if (parsed == 0) {

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